Sleep disorder

This study looks at the long-term safety and tolerability of the drug TAK-360 in people with narcolepsy (type 1 or 2) or idiopathic hypersomnia — conditions that cause severe daytime sleepiness. Participants who completed a previous TAK-360 study can join and will continue taking…

This study tests whether the insomnia medication lemborexant (Dayvigo) can lower blood markers of brain damage in adults aged 40–65 with insomnia. Twenty participants will take the drug or a placebo for two weeks each, then have their blood tested for proteins linked to Alzheimer…

This trial tests whether removing the tonsils at the same time as implanting a hypoglossal nerve stimulator improves treatment for obstructive sleep apnea in adults whose airway collapses from the side during sleep. Participants are randomly assigned to receive the nerve stimulat…

This Phase 2 trial tests IHL-42X, a combination of two drugs (dronabinol and acetazolamide), in people with obstructive sleep apnea. The study aims to see if the drug can reduce the number of breathing pauses during sleep and improve daytime symptoms. Participants will receive di…

This study compares three treatments for obstructive sleep apnea: positive airway pressure (CPAP), a dental device that moves the jaw forward, and a combination of two medications (atomoxetine and oxybutynin). About 2,400 adults with sleep apnea will be randomly assigned to one o…

This study compares personalized surgery guided by a special camera during sleep (DISE) to standard tonsil and adenoid removal for treating obstructive sleep apnea in 303 children with Down syndrome, ages 2 to 17. Sleep apnea is very common in these children and standard surgery …

This study tests a once-weekly injection called NNC0487-0111 in 300 adults with overweight or obesity and moderate-to-severe obstructive sleep apnea who do not use a CPAP machine. The goal is to see if the drug helps with weight loss and reduces breathing pauses during sleep. Par…

This study looks at whether people who take GLP-1 receptor agonists (like Ozempic or Wegovy) should continue them after having bariatric surgery. Researchers will compare weight loss, blood sugar control, gut health, and hunger in 150 adults who either keep taking the drug or sto…

This study tests a once-weekly injection called NNC0487-0111 in 300 adults with overweight or obesity and moderate-to-severe obstructive sleep apnea who use a breathing device. The goal is to see if the drug helps with weight loss and reduces breathing pauses during sleep. Partic…

This phase 3 trial tests a weekly injection called eloralintide in 800 adults with moderate-to-severe obstructive sleep apnea who are also overweight or have obesity. The study looks at whether the drug can improve sleep apnea symptoms and help with weight loss. Participants are …

This study tests whether matching sleep apnea treatment to the specific cause in each person with Down syndrome works better than a one-size-fits-all approach. 200 children and adults will receive either a combination of two drugs (ato-oxy) or oxygen therapy based on their indivi…

Researchers are testing whether taking ashwagandha, a plant extract used in traditional medicine, for 12 weeks alongside regular weight training can improve muscle strength, reduce stress hormones, and support sleep and thinking in healthy men aged 25 to 40. Participants will tak…

This trial tests whether a combination of two sleep medications, eszopiclone and lemborexant, can help people who have both obstructive sleep apnea and insomnia. The idea is that these drugs may raise the brain's threshold for waking up, allowing more stable breathing during slee…

This pilot study tests whether a sleep health program designed for couples can improve sleep and blood pressure. Fifty couples will take part in an 8-week program that includes sleep education, coaching, and a Fitbit to track sleep. The goal is to see if working together as a tea…

This study tests an injection called XW003 in 140 obese adults with obstructive sleep apnea who already use a breathing machine (PAP). The goal is to see if the drug reduces breathing pauses during sleep and helps with weight loss. Participants will receive either the drug or a p…

This phase 3 trial tests an injectable drug called XW003 (Ecnoglutide) in 140 obese adults with obstructive sleep apnea who do not use CPAP machines. The goal is to see if the drug reduces breathing pauses during sleep and helps with weight loss. Participants receive either the d…

This study tests an experimental drug called PrP-siRNA in 30 adults with symptomatic prion disease, a rare and fatal brain condition. The drug is given via a spinal injection and aims to reduce the harmful prion protein in the brain. The main goal is to check safety and find the …

This trial tests whether cognitive-behavioural therapy for insomnia (CBT-I) can improve arterial function and mental well-being in adults with high blood pressure and poor sleep. Participants aged 18 to 70 with controlled hypertension and poor sleep quality are randomly assigned …

This study tests whether a program that includes remote monitoring, couple therapy, and peer support can help African American patients with sleep apnea use their CPAP machine more consistently. The goal is to improve sleep and quality of life for both the patient and their bed p…

This study tests whether HBS-301 (pitolisant) can reduce excessive daytime sleepiness and cataplexy (sudden muscle weakness) in adults with narcolepsy. Participants receive either the drug or a placebo for several weeks, followed by an open-label phase where everyone gets the dru…

This European trial tests a 24-week lifestyle program for 400 night-shift workers. The program, delivered via a mobile app and workshops, focuses on sleep, stress, diet, and exercise. The goal is to see if it helps workers sleep longer and improve their health.

This trial tests whether combining evening melatonin with morning bright light therapy can reduce excessive daytime sleepiness and sleep inertia in adults with idiopathic hypersomnia, a rare disorder causing prolonged sleep and difficulty waking. Participants aged 18 to 40 will r…

This phase 3 trial tests whether maridebart cafraglutide, a drug that may help with weight loss, can reduce sleep apnea episodes in 250 adults who are overweight or obese and not using a breathing machine. Participants receive either the drug or a placebo for 52 weeks. The main g…

This trial tests whether adding two 'chronotherapeutics'—bright light therapy in the morning and a slow-release melatonin pill at night—to standard antidepressants can better ease depression in adults who also have insomnia. About 184 people with major depression and sleep proble…

This early-phase trial is testing whether dronabinol, a synthetic form of THC, can reduce the severity of obstructive sleep apnea. 120 adults with moderate to severe sleep apnea will take the drug for two weeks. Sleep studies before and after treatment will measure changes in bre…

This study tests whether a behavioral program that reduces evening light exposure and encourages finishing meals at least four hours before bedtime can improve how the body handles sugar. Overweight adults aged 18-45 who habitually sleep less than 6.5 hours per night will be rand…

This trial tests whether extending nightly sleep by about 2 hours in adults who habitually sleep less than 6.5 hours can improve insulin sensitivity and reduce cardiometabolic risk. Participants are overweight or obese adults aged 18-45 without diabetes or sleep disorders. They a…

This study tests whether taking collagen peptides and omega-3 supplements daily for 8 weeks can improve health and wellbeing in healthy women aged 35-65. Researchers will measure joint pain, fatigue, sleep, body composition, strength, and inflammation before and after supplementa…

This pilot study tests a device implanted in the neck that stimulates nerves to keep the airway open during sleep. It is for adults with moderate to severe obstructive sleep apnea who cannot use a CPAP machine. The study will check if the device is safe and improves sleep quality…

This study tests whether a simple isometric wall squat exercise can lower blood pressure in adults with both hypertension and obstructive sleep apnea treated with CPAP. Each participant will complete one session of wall squats and one rest-only session, with blood pressure monito…

This study explores whether combining traditional Chinese medicine acupoint massage with a tailored exercise program can help older adults with sarcopenia (muscle loss) and sleep disturbances. Researchers will also examine how sleep patterns and body constitution relate to these …

This study tests an in-ear device called WhisperPT that plays soft audio cues when a person sleeps on their back, encouraging them to shift position. It is designed for people with positional obstructive sleep apnea, where breathing problems are worse when lying face-up. The tria…

This study follows 3,400 adults referred to a sleep clinic for insomnia or circadian rhythm sleep disorders. Participants receive standard care—such as light therapy, melatonin, and blue-light-blocking glasses—and track their progress through questionnaires and sleep diaries. The…

This study tests whether adding sleep coaching to a standard weight-loss program helps teens with overweight or obesity lose more weight and improve their eating habits. Fifty adolescents aged 14–18 who have sleep issues (like trouble falling asleep or short sleep) will join a 16…

This study tests whether adding a drug tailored to a person's specific sleep apnea subtype can help when a mouthpiece or tongue nerve stimulator still leaves them with breathing pauses. Participants whose device did not fully control their apnea will receive either a placebo or o…

This study tests a culturally tailored sleep program called Sleep BETTER for African American pregnant women who are overweight or obese. The program combines sleep hygiene tips and cognitive-behavioral techniques to help improve glucose metabolism and reduce pregnancy complicati…

This study compares a personalized surgical approach using sleep endoscopy to standard tonsil removal in 240 children aged 2-17 with small tonsils and moderate-to-severe obstructive sleep apnea. The goal is to see if tailoring surgery to each child's specific airway blockages imp…

This study investigates whether oxygen and the drug acetazolamide can help stabilize breathing during sleep in people who take prescription opioids and have sleep apnea. Researchers will measure breathing patterns and sleep quality in 150 veterans. The goal is to find new ways to…

This phase 2 study tests whether the sleep medication suvorexant can reduce insomnia in 76 adults aged 21–65 who have both alcohol use disorder and posttraumatic stress disorder. Participants take either suvorexant or a placebo for 14 days while trying to stop drinking. The study…

This study is testing a device called the Genio® System for people with moderate to severe obstructive sleep apnea who cannot use CPAP machines. The device is implanted and stimulates the tongue to keep the airway open during sleep. Researchers will track how well it reduces brea…

This study looks at whether using a CPAP machine for sleep apnea after a heart procedure (catheter ablation) can help prevent atrial fibrillation from coming back. About 658 adults with both conditions will be randomly assigned to use CPAP for a year or receive usual care. The go…

This study compares two anti-rejection drugs in older kidney transplant recipients: a once-daily extended-release version (Envarsus XR) versus the standard twice-daily immediate-release version (Prograf). Researchers will measure changes in thinking, memory, and other cognitive s…

This study tests whether acetazolamide, a cheap and well-tolerated diuretic, can help people with obstructive sleep apnea who cannot use a CPAP mask. Sixty adults with moderate to severe sleep apnea will receive either the drug or a placebo for 4 weeks each. Researchers will meas…

This study looks at whether a structured program to find and treat obstructive sleep apnea can reduce the amount of time people with atrial fibrillation have an irregular heartbeat. About 209 adults with AF will use a home sleep test device and a Fitbit smartwatch to track their …

This study compares two alternative treatments for moderate-to-severe obstructive sleep apnea in people who cannot use a CPAP machine: a custom mouthpiece (mandibular advancement device) and a surgically implanted nerve stimulator (hypoglossal nerve stimulation). Researchers will…

This study is a long-term follow-up for people with narcolepsy or idiopathic hypersomnia who previously took the experimental drug ORX750. Researchers want to see if the drug remains safe and effective over time. About 90 participants will take ORX750 orally and be monitored for …

This study tests whether a custom mouthpiece (mandibular advancement device) can help people with obstructive sleep apnea when they temporarily stop using their CPAP machine. Forty adults who normally use CPAP will either use the mouthpiece or nothing during a two-week CPAP break…

This study is testing a device called Inspire, which is implanted in the body to treat obstructive sleep apnea. It is being studied in people with more severe sleep apnea (higher AHI) and higher body weight (higher BMI) who cannot use CPAP machines. The study will follow 70 parti…

This study tests whether a custom mouthpiece called EVO can safely treat severe obstructive sleep apnea. About 49 adults with severe sleep apnea will use the device, which moves the jaw forward to keep the airway open. The goal is to see if it reduces breathing pauses by at least…

This study tests a custom mouthpiece (mandibular advancement device) for people with moderate to severe obstructive sleep apnea who cannot tolerate CPAP and have not improved with a nerve stimulation implant. Researchers will measure if the device reduces breathing pauses during …

This study is checking the long-term safety of a drug called TAK-861 in 500 people with type 1 narcolepsy who have already taken it in earlier trials. Participants will continue taking TAK-861 tablets, and researchers will monitor for side effects. The goal is to see if the drug …

This study tests a jaw surgery called maxillomandibular advancement for people with moderate to severe obstructive sleep apnea who cannot use standard treatments like CPAP machines. The surgery moves the jaw forward to open the airway, and researchers will track breathing, sleepi…

This study tests whether taking a combination of Akkermansia muciniphila (a beneficial gut bacterium) and berberine (a plant compound) can improve insulin sensitivity in night-shift workers. 200 participants from healthcare and industry in Austria and Denmark will receive either …

This global study tests whether applying a sunlight-reflecting coating to roofs can lower indoor temperatures and improve health. Researchers will enroll 3,200 households in five hot cities across Africa, Asia, Latin America, and the Pacific. They will measure heart rate, blood s…

This phase II trial is testing whether mirtazapine, an antidepressant, can improve mood, sleep, and motor symptoms in people with Rett syndrome. The study will enroll 54 females aged 5 to 40 with a confirmed MECP2 mutation. Participants will receive increasing doses of mirtazapin…

This study tests whether playing gentle sounds during deep sleep can slow the progression of Parkinson's disease in people at high risk. Participants with REM sleep behavior disorder or early Parkinson's will wear a headband and headphones for 18 months. Researchers will track ch…

This early study tests a new device called MAGNAP for people with moderate to severe obstructive sleep apnea who cannot tolerate CPAP machines. The device is surgically implanted in the neck and works with an external magnetic brace to keep the airway open during sleep. The study…

This study works with 300 Native American elders aged 50 and older who have sleep apnea and a PAP machine. It tests if adding motivational interviews and text messages to usual care helps them use their machine more often. The goal is to improve sleep apnea control and possibly l…

This study tests a device called the Restora Serene System, which uses mild electrical pulses to stimulate nerves in the neck during sleep. The goal is to keep the airway open in people with obstructive sleep apnea who cannot use a CPAP machine. Twenty adults will be enrolled to …

This study looks at whether a weight-loss procedure called Endoscopic Sleeve Gastroplasty (ESG), combined with healthy eating and exercise, can improve obstructive sleep apnea (OSA) in people with obesity. About 74 adults with moderate to severe OSA will be randomly assigned to r…

This study looks at whether time-restricted eating (eating only during certain hours) can improve blood pressure and insulin sensitivity in people who work night shifts. Night shift workers are at higher risk for heart disease and type 2 diabetes. Researchers will compare 4 weeks…

This study tests whether helping children ages 6-12 who are above average weight and sleep 9 hours or less per night to get about 45 more minutes of sleep can improve their body weight and learning. The sleep extension group will be coached to go to bed 60-90 minutes earlier over…

This study tests a device called the Lunair Alpha System, a neurostimulator implant that aims to treat moderate to severe sleep disordered breathing. It is for people who cannot use or do not tolerate other treatments like CPAP machines. The trial will check if the device is safe…

This study tests whether telehealth care, including a human sleep navigator, works as well as private sector care for obstructive sleep apnea in 160 military members aged 18-64. Participants will receive education, support, and troubleshooting via telehealth. The goal is to see i…

This study tests whether using a CPAP machine at night can reduce high red blood cell counts (polycythemia) in people with moderate to severe sleep apnea. Researchers will compare 182 adults who use CPAP plus standard care to those who receive only standard care over 12 months. T…

This study looks at whether screening for and treating sleep apnea can reduce the burden of atrial fibrillation (AFib) in patients who are candidates for heart ablation. Fifty adults with paroxysmal or persistent AFib that hasn't responded to medication will be screened for sleep…

This registry follows 225 adults with moderate-to-severe obstructive sleep apnea who receive the Inspire hypoglossal nerve stimulation implant. The device is for people who cannot use CPAP, the standard treatment. Researchers will measure how well it reduces breathing pauses duri…

This registry follows 1,000 people with obstructive sleep apnea who have received the Inspire implant, a device that stimulates nerves to keep the airway open during sleep. Researchers will track how well the device works over time and how consistently patients use it, using rout…

This study looks at whether using a positive airway pressure (PAP) machine to treat obstructive sleep apnea can help people recover better after an ischemic stroke. About 360 participants who have had a stroke and have moderate to severe sleep apnea will be randomly assigned to r…

This early-phase study will test whether a device that stimulates the phrenic nerve can help treat moderate-to-severe obstructive sleep apnea in 50 Latin American adults. Participants will undergo sleep studies and a procedure to map their airway collapse. The goal is to see if t…

This study asks whether a wearable AI ring and a simple clinical exam can accurately diagnose obstructive sleep apnea (OSA) compared to the standard overnight sleep lab test. Adults with suspected OSA will wear the ring during a full lab sleep study, and their results will be com…

This trial asks whether a home sleep apnea test can be a better first step than an overnight lab study for diagnosing obstructive sleep apnea in people with dementia or mild cognitive impairment. Sleep apnea is common in these conditions and can worsen thinking problems, but many…

Extremely preterm infants often have breathing issues that current monitors may miss. This study tests a wireless acoustic sensor placed on the baby's throat to more accurately detect pauses, shallow breaths, and irregular patterns. Researchers will compare the sensor to standard…

This trial evaluates a new chest patch sensor designed to monitor breathing movements and sleep position, which could improve the diagnosis of sleep apnea. The sensor aims to provide additional information beyond current fingertip sensors, potentially helping to distinguish betwe…

This study investigates whether tiny molecules in the blood, called microRNAs, can serve as biomarkers for obstructive sleep apnea (OSA). Researchers will compare blood samples from people with moderate-to-severe OSA and those without the condition, before and after treatment wit…

This study aims to see if a French version of the OSA-18 questionnaire can accurately identify obstructive sleep apnea in children. Parents of children aged 4 to 17 who are already scheduled for a sleep test (polysomnography) will fill out the questionnaire. The results will be c…

This study is testing whether simple wearable devices can accurately screen for sleep disorders in children with cerebral palsy. About 140 children aged 6 to 15 will wear the devices at home and then undergo a standard hospital sleep test. The goal is to see if the wearable metho…

This study tests whether a small, single-use home monitor called Sunrise can help doctors decide how to adjust CPAP therapy for people with obstructive sleep apnea who are not getting enough benefit. About 105 adults will use the Sunrise device at home and also undergo a standard…

This study is testing whether simple measurements like facial scans, videos of blinking and swallowing, and heart rate changes can help doctors diagnose obstructive sleep apnea (OSA). Researchers will collect this data from 800 adults who do not already have an OSA diagnosis. The…

This study looks at whether a home sleep apnea test is as accurate as the standard overnight sleep lab test for children ages 5 to 12. Researchers will compare results from both tests and see how they affect treatment choices. The goal is to find a more comfortable and convenient…

This study looks at whether a protein linked to Parkinson's disease can be found in colon tissue samples taken during a routine colonoscopy. Researchers will compare samples from people with Parkinson's, those with REM sleep behavior disorder, and healthy individuals. The goal is…

This study is testing whether a portable sleep monitor can accurately detect obstructive sleep apnea in children with autism spectrum disorder. Twenty children aged 6 to 18 will wear the portable device at the same time as their standard in-hospital sleep test. Researchers will c…

This study is testing whether short video clips recorded by parents on their smartphones can help screen for moderate-to-severe obstructive sleep apnea (OSA) in children. OSA affects 1-4% of kids and can lead to serious health issues if untreated, but getting a sleep study is oft…

This study tests a wearable device called Sunrise that tracks small jaw movements during sleep to diagnose obstructive sleep apnea (OSA). About 100 adults referred to a sleep clinic will use Sunrise alongside standard tests like oximetry or WatchPAT. Researchers want to see if Su…

This study is testing whether a smartphone app called Apneal can accurately diagnose sleep apnea in adults who already need an overnight sleep test. About 500 participants will wear the app on their chest while also undergoing standard polysomnography at home. The goal is to see …

This trial tests a sleep education program called SIESTA, designed with urban Latino middle schoolers in mind. Researchers will compare children who receive the sleep program with those who attend general health sessions. Participants wear sleep-tracking watches and fill out surv…

This trial tests whether a smartphone app can help people with REM sleep behavior disorder, a condition that often precedes Parkinson's, become more physically active over two years. Participants receive personalized activity goals through the app and track their steps and exerci…

This study tests whether adalimumab, an anti-inflammatory drug, can prevent brain changes linked to Parkinson's disease in 108 people with REM sleep behavior disorder (RBD). RBD often precedes Parkinson's. Participants will receive adalimumab or a placebo every two weeks for two …

This study tests whether taking the sleep medication suvorexant (Belsomra) nightly for two years can slow the buildup of amyloid plaques in the brain, a hallmark of Alzheimer's disease. Researchers will enroll 200 healthy adults aged 65 and older with no signs of dementia. The go…

This study tests whether a mindfulness-based sleep program for pregnant women with insomnia can prevent depression during and after pregnancy. Researchers will enroll 500 women and compare the program to standard care. The goal is to improve sleep and reduce the risk of perinatal…

This study tests two school-based programs designed to help teenagers aged 13-19 sleep better. The goal is to see if improving sleep can prevent depression, anxiety, and daytime sleepiness. About 3000 students in Swedish high schools will take part, and their results will be comp…

This study tests whether an online sleep improvement program for pregnant women can reduce stress and prevent postpartum depression and anxiety. Researchers will enroll 114 women early in pregnancy and track their sleep, stress hormones, and mood for months after birth. The progr…

This study tests whether increasing physical activity through a motivational smartphone app can slow cognitive decline in people with isolated REM sleep behavior disorder (iRBD), an early sign of Parkinson's disease and related disorders. Researchers will enroll 130 participants …

This study looks at whether adjusting meal timing can reduce health risks for night-shift nurses and nursing assistants who are overweight. Participants will either just track their diet, follow a 10-hour daytime eating window, or add a low-sugar snack during night shifts. The go…

People with insomnia often feel pain more intensely and recover from muscle strain more slowly. This pilot trial tests whether repetitive transcranial magnetic stimulation (rTMS), a non-invasive technique that alters brain activity, can reduce pain sensitivity and speed recovery …

This study tests whether wearing blue-blocking glasses at night can help teenagers (ages 12-18) with insomnia or delayed sleep phase disorder who are already receiving psychiatric care. Forty participants will wear the glasses or use real darkness for one week. The goal is to see…

Many people who care for a family member with dementia struggle with sleep. This trial tests an 8-week program that combines a sleep self-help manual, cartoon videos, and weekly telephone coaching. Researchers randomly assign 120 caregivers to either the sleep program or an educa…

This study tests whether taking branched chain amino acids (BCAAs) twice a day for three weeks can improve sleep in people with traumatic brain injury. Researchers will also check if the supplement is easy to take and if participants stick with it. The study involves 300 veterans…

This study compares the effectiveness, safety, and long-term benefits of commonly used insomnia medications, including prescription drugs like zolpidem and trazodone, and over-the-counter options like melatonin and diphenhydramine. Researchers will enroll 1,200 adults with chroni…

Researchers at the University of Alberta are testing whether a passive myofunctional appliance can treat snoring and mild obstructive sleep apnea. The study enrolls 40 adults who snore or have mild sleep apnea. Participants use either the passive appliance or a standard oral appl…

Researchers test whether non-invasive light therapy, called photobiomodulation, can reduce tonsil size and improve sleep apnea in children. The study enrolls 64 children with enlarged tonsils and sleep apnea symptoms. Participants receive either active or sham light therapy to th…

This study tests whether a smartphone app that helps improve sleep, along with a wearable activity tracker, can support brain health in older adults (65+) after hip or knee replacement surgery. The goal is to see if better sleep can reduce confusion or memory problems after surge…

Researchers at the University of Missouri-Columbia are studying whether improving insomnia can lead to better alcohol outcomes in heavy-drinking adults. The trial enrolls 256 adults who meet criteria for alcohol use disorder and insomnia disorder. Participants receive five weekly…

This study tests an experimental drug called HBS-301 to see if it can reduce symptoms of idiopathic hypersomnia, a condition causing severe daytime sleepiness, trouble waking up, and fatigue. About 248 adults with moderate to very severe symptoms will receive either the drug or a…

Researchers test whether adding a predictive app to a continuous glucose monitor changes fear of low blood sugar, sleep quality, and diabetes distress in adults with type 1 or insulin-treated type 2 diabetes. Participants use the monitor alone for two weeks, then with the app for…

This study tests whether a daily fermented soy product, Haelan 951, can help ease hot flashes and improve sleep in women going through menopause. About 25 peri- and postmenopausal women aged 45-65 will take the product for 45 days and track their symptoms. The goal is to see if t…

This study tests an experimental drug called cleminorexton in 222 adults with narcolepsy type 1 or 2. The drug mimics a natural brain protein that helps keep people awake. The goal is to see if it safely reduces daytime sleepiness and improves daily functioning. Participants must…

This study tests a digital program called NiteCAPP Jr, which delivers cognitive behavioral therapy for insomnia (CBT-I) to children aged 6-12. The program aims to improve sleep by teaching healthy sleep habits through interactive online sessions. Researchers will measure how well…

This study tests whether simple exercises (like drinking water and breathing in a certain way) can improve sleep quality in 60 U.S. service members with obstructive sleep apnea. Some participants have also had a traumatic brain injury. The goal is to see if these exercises reduce…

This study tests whether a program that strengthens the quadriceps and calf muscles can improve walking, reduce pain, and enhance sleep in people with knee osteoarthritis. About 52 adults aged 40-60 with moderate knee arthritis will be randomly assigned to either the exercise pro…

This study tests a brief behavioral sleep program for depressed teens aged 12-18 who sleep less than 7 hours or have irregular sleep. The program uses two sessions and smartphone tools to help teens set sleep goals. Researchers will compare it to a simple sleep education session …

This study tests an internet-based therapy program called the Sleep Course, designed to help public safety personnel (like police, firefighters, and paramedics) who have trouble sleeping. The program teaches skills to manage sleep difficulties and includes optional support from a…

This study tests a special type of talk therapy called Multi-Modal Cognitive Processing Therapy (MMCPT) for people with posttraumatic stress disorder (PTSD). Sixty adults with PTSD will either receive 12 weekly therapy sessions or standard care. Researchers will track changes in …

This study tests a drug called samelisant in 240 people with narcolepsy (with or without cataplexy). The goal is to see if it reduces excessive daytime sleepiness and sudden muscle weakness episodes over 12 weeks. Participants will take the drug or a placebo and report their slee…

This study tests a new tablet called ALKS 2680 to see if it can reduce daytime sleepiness in adults with narcolepsy type 2. About 176 participants will receive either the study drug or a placebo for 12 weeks. The main goal is to measure how well they can stay awake using a standa…

This phase 3 trial tests whether a daily tablet called ALKS 2680 can reduce daytime sleepiness and cataplexy (sudden muscle weakness) in 150 adults with narcolepsy type 1. Participants will take the drug or a placebo for 12 weeks, and researchers will measure changes in sleep tes…

This phase 3 trial tests whether a daily tablet called ALKS 2680 can reduce severe daytime sleepiness and sudden muscle weakness (cataplexy) in adults with narcolepsy type 1. About 150 participants will receive either the drug or a placebo for 12 weeks. The study measures improve…

This pilot study will test whether a 6-week program of cognitive behavioral therapy for insomnia (CBT-I) can improve sleep and blood sugar control in 30 adults aged 40+ with type 2 diabetes and chronic insomnia. Participants are randomly assigned to CBT-I or usual care, and outco…

This study tests whether cognitive behavioral therapy for insomnia (CBT-I) can reduce insomnia severity in physically active adults aged 30-59. Fifty participants will either receive 6 weeks of CBT-I or no treatment. The main goal is to see if CBT-I improves sleep quality and red…

This study tests whether a drug called esketamine can improve sleep after surgery in postmenopausal women, who often have trouble sleeping. About 164 women having leg fracture surgery will receive esketamine or a placebo during the operation. Researchers will check their sleep qu…

This study tests whether a special online therapy for insomnia, adapted for people with ulcerative colitis (UC), is helpful and practical. About 20 adults with active UC and insomnia will take part. They will complete online questionnaires, keep a daily sleep diary, and attend 5 …

This study tests a smartphone app called BELL-001 that plays sounds in sync with your breathing to help you relax and fall asleep. Forty adults with insomnia will use the app every night for 12 weeks. Researchers will track sleep quality, mood, and safety to see if this drug-free…

This study tests whether suvorexant, a sleep medication, can help people with opioid use disorder fall asleep and stay asleep. About 300 participants will receive either suvorexant or a placebo. The goal is to see if the drug improves total sleep time and is safe to use.

This study tests whether bexagliflozin, a drug used for diabetes, can reduce the severity of obstructive sleep apnea in overweight or obese adults. Over 6 months, participants will take either the drug or a placebo and undergo sleep tests and body scans. The goal is to see if the…

This study is testing whether a weighted blanket can help veterans with chronic pain and sleep problems. 160 veterans will use either a light (3-pound) or heavy (15-pound) blanket at home for 6 weeks. Researchers will track changes in pain, sleep quality, and medication use to se…

This study tests whether an AI-supported sleep program can improve sleep quality in people with mild cognitive impairment or mild dementia. Participants receive six weekly group sessions and daily use of an AI sleep companion, while a control group receives usual care. The trial …

This study tests whether female health sciences students can improve their sleep patterns and reduce social jet lag by doing acupressure on themselves every day for 12 weeks. Half the participants will use real acupressure points, while the other half will use sham (fake) points,…

This study tests whether low-intensity focused ultrasound (LIFU) applied to a nerve cluster in the neck can improve sleep quality and heart rate control in people recovering from heart surgery. 200 participants will receive either real or sham ultrasound daily for 3-7 days after …

This pilot study tests whether a smart pillow designed to reduce snoring can improve sleep quality for people aged 50 and older who snore or have obstructive sleep apnea (OSA), as well as their sleep partners. Participants will use the pillow for 14 nights and wear a fitness trac…

This study tests whether adding melatonin to cognitive behavioural therapy for insomnia (CBT-I) improves sleep in adults aged 60 and older with chronic insomnia. Participants are randomly assigned to receive CBT-I plus melatonin, CBT-I plus a placebo, or sleep education plus a pl…

This Phase II trial tests a new drug called APSTZD for people with chronic insomnia. About 222 adults aged 18-64 will receive either APSTZD, an active comparator (Stilnox CR), or a placebo. The main goal is to see if APSTZD reduces time awake after falling asleep, measured by ove…

This trial tests whether wearing light therapy glasses can help people with insomnia fall asleep faster. Adults aged 30 to 60 with insomnia will use the glasses or a placebo version, and researchers will measure sleep latency using actigraphy. The goal is to see if light exposure…

This trial tests whether a stepped-care approach to cognitive behavioral therapy for insomnia (CBTi) can help people with chronic spinal pain. Participants receive online lessons and therapist talks over 10 weeks, with the goal of improving sleep and potentially reducing pain. Th…

This study tests a type of hypnotherapy called E2R for people with chronic insomnia. It compares E2R to usual care (like sleep medications) to see if it reduces insomnia severity. About 136 adults with chronic insomnia will take part, and the goal is to find a safer, non-drug opt…

This pilot study tests whether a smartphone app called SleepFix, combined with support from a psychologist, can help young people aged 16-24 with insomnia. The app uses sleep restriction therapy to reset sleep patterns. The trial will check if the approach is practical and accept…

This Phase 3 study tests whether expanded dosing regimens of Xywav can safely reduce excessive daytime sleepiness in adults with narcolepsy or idiopathic hypersomnia. About 108 participants will receive either Xywav or a placebo in a randomized withdrawal design. The main goal is…

This trial tests whether listening to meditation music before and after elective surgery can help adults with type 2 diabetes control their blood sugar, feel less anxious, and sleep better. Participants are randomly assigned to receive either routine care plus self-selected medit…

This trial tests whether using a weighted blanket at night and during the day can improve sleep in children aged 5-12 with ADHD who still have sleep problems despite standard care. Half the children will receive a weighted blanket, while the other half gets a non-weighted sham bl…

This pilot study tests a bedtime routine called 'The Power Down' for autistic children aged 6 to 10 who have trouble settling down to sleep. The routine uses gentle massage and calming sounds to help children relax before bed. Caregivers will lead the routine each night for two w…

This study tests a combined treatment for older adults who wake up often to urinate and have trouble sleeping. The goal is to see if treating both problems together can reduce bathroom trips and improve sleep quality. Researchers will track changes over 4 months in 192 participan…

This pilot trial tests an adaptive stepped-care digital intervention to improve sleep in Chinese cancer survivors with mild-to-moderate insomnia. Participants first receive a self-guided web-based CBT-I program or a simple exercise program; those who don't improve may be stepped …

This study tests whether extra support—like personalized mask fitting, monthly phone calls, and a tracking app—helps stroke patients with sleep apnea use their CPAP machine more consistently during rehab. About 250 participants will be randomly assigned to either this intensive s…

This trial tests whether a 12-week slow jogging program can help breast cancer survivors sleep better, feel less tired, and enjoy a better quality of life. Women who have finished primary treatment for hormone receptor-positive breast cancer will either jog slowly three times a w…

This study is testing the long-term safety and how well ALKS 2680 works over time in people with narcolepsy type 1, type 2, or idiopathic hypersomnia. Participants take a once-daily tablet at different doses. The goal is to see if the drug remains safe and effective for staying a…

This pilot trial compares two traditional Chinese herbal formulas — Chaihushugan Decoction and Wen Dan Tang — for treating chronic insomnia. Adults with chronic insomnia will take one of the two herbal granules three times daily for eight weeks. Unlike many herbal studies, this o…

This trial explores whether combining a home-based exercise program (Vivifrail) with daily acupoint self-massage can reduce frailty and improve sleep quality in pre-frail adults aged 50 and older in Taiwan. Participants will be randomly assigned to exercise alone or exercise plus…

This trial tests whether a technique called temporal interference (TI) stimulation can improve symptoms in people with narcolepsy type 1, a chronic brain disorder that causes severe daytime sleepiness. TI stimulation uses electric fields to target the hypothalamus, the brain regi…

This phase 4 trial tests whether taking a 2 mg prolonged-release melatonin tablet before bed can improve sleep quality in adults with inflammatory bowel disease (Crohn's disease or ulcerative colitis) whose disease is in remission. Participants must have poor sleep (PSQI score >5…

This study tests whether limiting social media use to a set amount each day can reduce loneliness, fear of missing out (FoMO), and improve sleep quality in university students. Seventy students aged 18-25 who use social media at least 2 hours daily will be randomly assigned to ei…

This trial tests whether listening to binaural beats — a type of sound that may gently nudge brain waves — can improve cognitive function in older adults with mild cognitive impairment living in nursing homes. Participants listen to old songs with or without embedded binaural bea…

This pilot study tests whether a home uroflowmetry device paired with a smartphone app and personalized lifestyle advice can reduce nocturia—waking up to urinate two or more times a night—in adults aged 55 and older. Participants track their voiding patterns and receive real-time…

This pilot study tests whether taking melatonin at night can increase REM sleep and improve cognitive function in people with cirrhosis who have a complication called hepatic encephalopathy (HE). Participants take melatonin for one month and a control supplement (thiamine) for an…

This trial tests whether transcutaneous electrical nerve stimulation (TENS) — a device that sends mild electrical pulses through skin electrodes — can reduce pain, improve sleep, and boost quality of life after video-assisted thoracoscopic surgery (VATS). About 90 adults schedule…

This trial tests whether a combination of dietary supplements, including creatine monohydrate, can improve common health complaints in healthy women aged 35 to 65. Over 8 weeks, participants take either the supplements or a placebo, and researchers measure changes in joint pain, …

This phase 2 trial tests whether a traditional Chinese herbal formula, modified Suan ZaoRen Tang-TianWang BuXin Dan (mSZT-TBD), can improve sleep quality in adults with chronic insomnia. Participants will receive either the herbal granules or a placebo for six weeks. The study me…

This trial compares a novel behavioral treatment called ABC-I (Acceptance and the Behavioral Changes to treat Insomnia) with standard cognitive-behavioral therapy for insomnia (CBT-I) in veterans who have both PTSD and insomnia. ABC-I combines sleep-focused behavioral techniques …

This study tests whether foot reflexology or a mild electrical nerve stimulation on the ear can reduce pain, dry mouth, fatigue, and sleep problems in people with head and neck cancer who are receiving chemoradiotherapy. Participants are randomly assigned to receive the real trea…

This study tests whether foot reflexology, a gentle ear nerve stimulation device (ta-VNS), or ear acupressure can reduce the severity of tinnitus—a common ringing in the ears—and improve related distress, sleep, and stress markers. Adults aged 18–75 with tinnitus but normal heari…

This study investigates whether measuring jaw muscle activity can predict dental changes caused by mandibular advancement devices (MADs) used for obstructive sleep apnea. About half of people stop using MADs due to unwanted tooth movements. Researchers will track 118 adults over …

This study tests a 12-month telehealth program that combines healthy eating, exercise coaching, and remote pulmonary rehab for 400 overweight veterans with both COPD and obstructive sleep apnea. Participants use a Fitbit and app to track progress, with the goal of improving physi…

This pilot study tests a program called DREAMS for children aged 9 to 17 who are hospitalized for a stem cell transplant. The program provides a video about sleep during transplant, practical sleep tips, and a care kit with items like ear plugs, a white noise machine, an eye mask…

This study follows 1,000 adults in Canada who are authorized to use medical cannabis for pain, sleep issues, anxiety, depression, or epilepsy. Researchers will track changes in symptoms using standard questionnaires over 24 weeks. The goal is to see how well medical cannabis work…

This study looks at how sensory sensitivity affects sleep and emotions in autistic children ages 6-10. Researchers will test a simple bedtime routine called Power Down, where caregivers give their child a gentle massage to help them relax before sleep. The goal is to see if this …

This study tests whether taking a daily probiotic supplement called Neuralli Mood for 90 days can help reduce stress, sleep problems, low mood, anxiety, and burnout in adults who experience these issues. Participants take two capsules each day and complete questionnaires before a…

This study tests a non-medication therapy called Imagery Rehearsal Therapy to see if it can reduce nightmares in adults with narcolepsy. About 80 participants will receive the therapy and complete three assessments, with half starting right away and half later. The goal is to imp…

This study compares how satisfied people with moderate to severe obstructive sleep apnea are with a standard CPAP machine (Airsense 10) versus a portable one (Air-Mini). Fifty adults who are new to CPAP will try both devices and rate their satisfaction. The goal is to see if the …

This study tests a 30-minute smartphone app designed to improve sleep and reduce stigma in college students who may be at risk for psychosis. About 115 students with poor sleep and certain experiences (like hearing voices or feeling paranoid) will use the app or wait to receive i…

This study compares two phone-based programs—Brief Behavioral Treatment for Insomnia and Brief Mindfulness Training—to see which one better improves sleep, reduces chronic pain, and slows biological aging in 200 adults with HIV and ongoing pain. Participants must be 25-65, have H…

This study looks at whether adding sleep-focused treatments to standard psychiatric care can reduce suicide risk in young adults. About 90 college students with suicidal thoughts and sleep problems will be randomly assigned to one of three sleep interventions. Researchers will tr…

This study tests whether a week of morning bright light therapy improves sleep, alertness, mood, and thinking in healthy university students. Participants use a 10,000-lux light box for 30 minutes each morning for one week, and their results are compared to a week with usual ligh…

This study tests a 4-week telehealth program called I-SLEPT for Veterans leaving a rehabilitation facility. The program combines sleep education and tips for staying active in meaningful activities. Researchers want to see if it is acceptable and feasible for Veterans, and whethe…

This pilot study is testing a device that sends a mild electrical current to the brain (tACS) to see if it can reduce anxiety and improve sleep in people with generalized anxiety disorder and chronic insomnia. Thirty adults will receive 20 sessions over four weeks. The goal is to…

This study tests a new drug called ALKS 2680 to see if it can safely reduce daytime sleepiness in people with idiopathic hypersomnia, a condition causing excessive sleepiness without clear cause. About 126 participants will receive either the drug or a placebo daily for 8 weeks. …

This study tests whether a silicone mouth tape worn during sleep can reduce snoring and improve sleep quality in people with mild sleep apnea or simple snoring. About 100 adults with a bed partner will use the tape for a period, and both the snorer and partner will report on snor…

This study tests whether daridorexant, a sleep medication, can improve sleep in people with mild cognitive impairment or mild-to-moderate Alzheimer's disease who also have insomnia. Sixty-two participants will receive either the drug or a placebo for one month, and their sleep wi…

This study tests a sleep health program for teens aged 10-19 who recently had a concussion. The goal is to see if better sleep helps symptoms go away faster and improves sleep quality, mood, and school engagement. Participants will be randomly assigned to the sleep program or sta…

This study tests whether trazodone, a sleep medication, can improve sleep and memory in people with early Alzheimer's and sleep problems. About 100 participants will receive either trazodone or a placebo for 4 weeks. Researchers will measure changes in sleep quality and memory pe…

This study tests whether sleeping with a weighted blanket (about 10% of your body weight) can help adults with chronic pain feel better. About 44 people will use the blanket every night for 5 weeks and report changes in pain, sleep, and daily activities. The goal is to see if thi…

This study tests a web-based version of cognitive behavioral therapy for insomnia (CBT-I) in 60 family caregivers of people with dementia. Caregivers will complete four online sessions focused on sleep habits, relaxation, and changing unhelpful thoughts. The goal is to improve sl…

This study tests whether cognitive behavioral therapy for insomnia (CBT-I) can improve sleep and reduce fatigue in people with multiple sclerosis. About 70 adults with MS and insomnia will receive CBT-I or an active control. The goal is to see if this talk therapy approach can ea…

This study tests whether hemp-derived CBD (with or without THC) can help older adults (60+) who use cannabis for pain, anxiety, depression, or sleep problems. Over 8 weeks, 385 participants will take either CBD+THC, CBD alone, or a placebo. The goal is to see if CBD can reduce sy…

This study compares three common insomnia treatments—two medications (trazodone and daridorexant) and an online behavioral therapy program—in 1,000 women aged 40-62 who are in or near menopause. Participants will take one treatment for 12 months, wear a Fitbit, and complete sleep…

This study tests whether giving pregnant women personalized heat alerts, cooling tips, and indoor air cleaners can reduce their exposure to heat and air pollution, and improve sleep quality. About 102 healthy pregnant women in Italy and Cyprus will be split into groups: some get …

This study tests whether adding foot reflexology to standard physical therapy can reduce pain and improve sleep in women with fibromyalgia. Sixty women aged 18–65 will receive either standard therapy alone or standard therapy plus foot reflexology twice a week for six weeks. Rese…

This study tests whether a sleep medication called eszopiclone can help people with obstructive sleep apnea use their CPAP machine more consistently and improve their thinking skills. About 250 adults with a new sleep apnea diagnosis will receive either eszopiclone or a placebo f…

This study tests whether a 4-week mindfulness meditation program can improve sleep quality, reduce stress, and ease symptoms in people receiving hemodialysis. Fifty adults on dialysis will either get meditation plus usual care or usual care alone. Researchers will measure changes…

This small pilot study tests whether a special rocking bed (Somnomat Casa) can improve sleep quality in people with Parkinson's disease. Fifteen participants will use the bed at home for two months, and researchers will measure how acceptable and helpful the treatment is. The goa…

This study tests whether a daily snack rich in plant chemicals and fibre can ease perimenopause symptoms like hot flushes, mood changes, and sleep problems. Twenty women aged 40-55 who are not on hormone therapy will eat either the special snack or a placebo for several weeks, th…

This study compares two behavioral approaches to see which works better for improving mood, sleep, and reducing suicide risk in adults aged 55 and older with depression. Participants will complete interviews, questionnaires, and wear a sleep tracker for 8 weeks. The goal is to fi…

This study tests a combination of sleep-promoting and circadian-aligning treatments (a "sleep chronobundle") in 160 critically ill ICU patients. The goal is to see if realigning the body's internal clock can improve sleep quality and metabolism. Participants will receive the bund…

This study tests whether bright light therapy can help reduce excessive daytime sleepiness in people with Prader-Willi syndrome. About 50 participants will receive either bright light or a dim placebo light. The goal is to see if the therapy improves alertness, mood, and behavior…

This study tests a comfort program for children aged 5-10 in the pediatric intensive care unit (PICU). The program includes listening to their mother's voice, dimming lights, and using a weighted blanket, along with regular nursing care. Researchers want to see if this helps chil…

This study looks at how to best offer cognitive behavioral therapy for chronic insomnia to older veterans at 20 VA clinics. About 20 veterans will take part to see if the therapy helps them sleep better and feel better. The goal is to find the best way to bring this effective tre…

This study looks at whether endoscopic sinus surgery can improve sleep in people with chronic sinusitis and nasal polyps. Researchers will measure sleep quality before and after surgery in 30 participants. The goal is to see if removing polyps and opening blocked sinuses helps wi…

This study tests three home-based programs for people with long-term muscle or joint pain (like back pain or arthritis) who also sleep poorly. Participants will be randomly assigned to 12 months of exercise, cognitive behavioural therapy for insomnia (CBT-I), or both. The goal is…

This study tests whether a drug called pimavanserin can improve sleep in veterans with post-traumatic stress disorder (PTSD) who also have insomnia. About 60 veterans will receive either the drug or a placebo for 8 weeks. The goal is to see if it reduces insomnia severity and imp…

This study tests whether helping people with insomnia sleep better before knee or hip replacement surgery can reduce pain and improve recovery afterward. One hundred adults scheduled for surgery will receive either cognitive behavioral therapy for insomnia or sleep education for …

This study tests whether extra support—like a health pamphlet, a video, and motivational counseling—helps people with obstructive sleep apnea use their mandibular advancement appliance (a mouth guard) more consistently. Fifty-six adults (age 40+) with sleep apnea will be randomly…

This study looks at whether extending the nightly fasting period (not eating for a longer stretch each night) can improve sleep, thinking, and quality of life in breast cancer survivors. Researchers will compare this approach to health education alone. The study involves 60 femal…

This study tests a group therapy program called Sleep School for people with chronic insomnia. 250 participants will either attend Sleep School once a week for six weeks or receive standard short counseling from a nurse. The goal is to see if Sleep School reduces insomnia symptom…

This study tests a web-based program called NiteCAPP designed to improve sleep in people caring for a loved one with dementia, especially those living in rural areas. One hundred caregiver-patient pairs will use the program for 4 weekly sessions plus follow-up boosters. Researche…

This study tests whether giving 3-5 year olds a daily prebiotic fiber powder for several weeks can improve their mood, sleep, emotional control, and thinking. Parents of 106 children with low fiber intake will report on their child's behavior and emotions. The study is double-bli…

This study tests a new drug called ORX750 (cleminorexton) in 248 adults with narcolepsy type 1, type 2, or idiopathic hypersomnia—conditions that cause severe daytime sleepiness. The drug mimics a natural brain protein that helps keep people awake. The main goals are to check saf…

This study tests whether adding sauna blanket sessions to an online insomnia therapy program helps people sleep better. Forty adults with insomnia will all receive digital cognitive behavioral therapy, and half will also use a sauna blanket for 15 minutes several times a week. Th…

This study looks at whether taking ETAS® daily for 12 weeks can improve memory, mood, and brain activity in healthy adults aged 60 to 80 who have mild memory complaints. Participants will be randomly assigned to receive either ETAS® or a placebo, and will undergo memory tests, br…

This study tests two treatments for insomnia in veterans who also have PTSD. One is a brief behavioral therapy focused on sleep habits, and the other is a relaxation technique. Researchers want to see which one improves sleep and daily life more, and if benefits last over time. A…

This pilot study at Stanford University is testing whether giving rTMS (a non-invasive brain stimulation) in the morning or evening works better for treating insomnia. Ten adults with insomnia will receive ten sessions over two weeks. Researchers will track sleep quality and brai…

This study tests whether a proven sleep therapy (CBT-I) can improve how the brain regulates emotions, helping treat depression and anxiety. Researchers will use brain scans to see changes in emotion networks. 120 adults with insomnia and depression will participate. The goal is t…

This study is testing whether taking a daily saffron extract supplement (30 mg) for six weeks can improve sleep quality in middle-aged adults who have mild-to-moderate sleep problems. Researchers will measure sleep using a wrist-worn device and track other factors like mood and s…

This study looks at whether using a CPAP machine in a personalized way can reduce the amount of time people with atrial fibrillation (AFib) spend in an irregular heart rhythm. Twenty adults with both moderate-to-severe sleep apnea and AFib will alternate two weeks on and two week…

This study is testing whether a wearable device that plays personalized low-frequency sounds (like pink noise) can help people with insomnia sleep better. Forty adults with sleep problems will use the device for 12 weeks, and their sleep will be measured with overnight brain-wave…

This study tests whether person-centered behavioral programs can improve sleep in first-time mothers with insomnia. 135 women will either receive a sleep management program, an aerobic exercise program, or usual care. The main goal is to see if these approaches reduce insomnia se…

This study tests whether daily treatments with slightly elevated carbon dioxide (hypercapnia) can improve breathing and reduce sleep apnea in Veterans with spinal cord injury. About 30 adults with chronic spinal cord injury or able-bodied people with sleep apnea will receive the …

This study tests whether taking melatonin before bed can help adults with obstructive sleep apnea and insomnia sleep through the night and restore a healthy nighttime blood pressure dip. Fifty participants will take 3 mg of melatonin daily for 30 days. Researchers will measure ch…

This study tests an online program (eCBTi+) that teaches older adults with insomnia and memory concerns how to improve sleep, manage anxiety and low mood, and potentially protect brain health. About 275 people aged 60 and older will use the program or a control version for severa…

This study tests whether a digital sleep therapy program (Sleepio) can improve quality of life and movement in 142 adults with fibromyalgia who also have trouble sleeping. Participants will use the program at home for 10 weeks and wear devices to track sleep and activity. Researc…

This study tests whether remote monitoring of CPAP machines helps people with severe sleep apnea use their therapy more regularly. About 200 adults who are new to CPAP will either get standard care or have their device tracked remotely via an app. The goal is to see if digital su…

This study looks at whether art therapy, delivered through virtual reality glasses or in person, can help reduce anxiety and improve sleep and well-being in people with colorectal cancer. 78 patients receiving chemotherapy will be randomly assigned to one of three groups: virtual…

This study tests a sleep improvement program designed specifically for older Korean immigrants who have trouble sleeping. The program adapts standard sleep therapy to fit Korean culture and language. Researchers will measure sleep quality and gather feedback from 32 participants …

This study tests whether a relaxation technique called progressive muscle relaxation (PMR) — done with or without virtual reality (VR) — can ease chronic symptoms like pain, itch, anxiety, and sleep problems in adult burn survivors. About 34 participants will try both VR-enhanced…

This study tests a 6-week videoconference program that teaches sleep-improving skills to older adults with memory loss or dementia and their care partners. About 80 participants will join either individually or together. The goal is to see if the program is practical, acceptable,…

This study tests a mobile app called SHIFT that uses data from an Apple Watch to give personalized light exposure advice, helping night shift workers sleep better. Researchers will enroll 300 night shift workers who have poor sleep. The goal is to see if the app improves sleep, h…

This study compares 3D-printed night guards to standard acrylic ones for people who grind their teeth (bruxism). Forty-four adults will wear the splints during sleep for 3 months. Researchers will measure how much the splints wear down and ask participants about their satisfactio…

This study tests if treating insomnia first helps breast cancer survivors lose more weight. 250 women with early-stage breast cancer who are overweight and have insomnia will either get a sleep therapy (CBT-I) or sleep education before starting a weight loss program. Researchers …

This study tests a smartphone app called iCANSleep, which provides a type of talk therapy (CBT-I) to help cancer survivors with insomnia. Researchers will enroll 146 Canadian cancer survivors who have trouble sleeping and compare those using the app to a waitlist group. The goal …

This study tests whether a respiratory rehabilitation program (exercise and education sessions over 8 weeks) can improve sleep quality in people with stable COPD. 90 adults aged 50 and older will be randomly assigned to either the rehab program or usual care. Sleep will be measur…

This study tests a guided online version of cognitive behavioral therapy for insomnia in 80 people who have had a moderate or severe traumatic brain injury at least a year ago and currently have insomnia. Participants will either receive the online therapy (6 modules over 6-9 wee…

This study tests a program called TAILOR, which uses sleep-focused therapy to help teens with insomnia who are also having suicidal thoughts. The goal is to see if improving sleep can lower their risk of suicidal behavior. The study will enroll 235 teens aged 11-18 and track chan…

This study tests whether a dental mouthpiece (MAD) works as well as a CPAP machine to improve thinking and memory in people with sleep apnea who also have mild memory problems. About 260 adults aged 45 and older will be randomly assigned to use either device for one year. Researc…

This study tests whether a daily supplement called Levagen+ (PEA) can help trained cyclists recover from a week of intense training. Twenty healthy athletes will take either the supplement or a placebo for 45 days. Researchers will measure cycling performance, inflammation, stres…

This study tests whether a type of talk therapy focused on sleep (CBT-I) can improve sleep, reduce psychotic symptoms, and enhance quality of life in people with treatment-resistant schizophrenia. About 60 adults with chronic psychosis and long-term sleep problems will receive ei…

Many people with obstructive sleep apnea still feel very sleepy during the day even after using a CPAP machine. This study tests a device called tPBM, which shines red and near-infrared light on the scalp to change brain activity. Researchers will measure brain blood flow and sle…

This study tests whether a special type of artificial light that changes throughout the day can improve sleep, body clock function, and overall well-being in frail older adults. Researchers will enroll 300 people over age 65 who are staying in hospital rooms equipped with this dy…

This study tests whether wearing bright light therapy glasses can reduce daytime sleepiness and depressive symptoms in people with obstructive sleep apnea who still feel tired despite using their CPAP machine. Sixty participants will wear the glasses for four weeks of active trea…

This study compares two methods of delivering oxygen during sleep in children aged 5-17 with Down syndrome and moderate to severe obstructive sleep apnea. Ten participants will have two sleep studies—one with continuous oxygen flow and one with pulse flow from a portable concentr…

This study tests whether a breathing exercise program can reduce daytime sleepiness in adults with obstructive sleep apnea who already use a CPAP machine. Participants will do 12-20 minute sessions of inhaling against resistance three times a week. The goal is to see if strengthe…

This study tests whether an online insomnia treatment, followed by either a meditation program or pain education, can reduce pain in adults with chronic low back pain and insomnia. About 300 participants will first complete a 9-week internet-based cognitive behavioral therapy for…

This study looks at whether trained community health workers can motivate people with moderate-to-severe sleep apnea to use their breathing machines (PAP) more regularly. About 48 adults who have never used PAP before will receive either motivational coaching or standard care. Th…

This study looks at whether eating nuts can help reduce symptoms of depression, anxiety, and stress, and improve memory and thinking skills in young adults. Researchers will enroll 135 university students aged 18 to 25 and measure changes in mood, cognitive function, and a brain-…

This study tests whether using a special blanket for 4 weeks can improve sleep in 672 young people aged 16-24 who have trouble sleeping. Participants are split into three groups: two groups get different blankets, and one group gets no blanket for comparison. The goal is to find …

This study tests a culturally and language-adapted internet-based cognitive behavioral therapy (i-CBT) for Farsi/Dari-speaking youth migrants and refugees aged 15-29. The goal is to reduce symptoms of common mental health problems like anxiety, depression, and stress. Participant…

This study tests whether trazodone, a medication often used for depression, can improve sleep in adults aged 65 and older with chronic insomnia. Forty participants will take either trazodone or a placebo for 28 days, then switch after a break. They will track their sleep with dia…

This pilot study is testing whether a web-based insomnia treatment called SHUTi can help Black/African American prostate cancer survivors sleep better. Forty participants will be randomly assigned to either the SHUTi program or an educational website. The study will check if the …

This study compares a single dose of methadone (a long-acting opioid) given during surgery to standard short-acting opioids for pain relief after tonsillectomy in children ages 3 to 17. The goal is to see if methadone reduces the need for extra pain medication in the recovery roo…

This study looks at whether doing adapted physical activity every day can improve sleep quality in children aged 5 to 16 who are being treated for blood cancer. About 30 children will take part, with some exercising daily and others just once over four days. Parents will track sl…

This trial tests whether dynamic lighting that mimics daylight can improve sleep quality, energy levels, and well-being in radiographers. 18 participants will work under enhanced or normal lighting, answer surveys, and provide saliva samples. Researchers want to find the best lig…

This study looks at whether teaching teens with overweight or obesity how to sleep better can help them lose more weight when combined with standard diet and exercise advice. About 126 teens aged 13 to 17 who have poor sleep will join. Half will get usual care, and the other half…

This study tests whether an online, therapist-guided program for insomnia can also reduce anxiety symptoms. 98 adults with both chronic insomnia and anxiety will either start the program immediately or after a delay. The program includes sleep education, behavioural strategies, a…

This study tests whether a lotion containing 1% hemp extract (CBD) plus 10% urea can relieve itching, improve skin moisture, and help sleep in people with scleroderma. About 36 adults with chronic itching will use both the CBD lotion and a plain urea lotion at different times to …

This study tests whether taking a collagen supplement for 8 days can improve quality of life, appetite, mood, and blood sugar control in overweight or obese adults aged 18-65. Participants will take the supplement or a placebo, fill out questionnaires, and wear a continuous gluco…

This study tests a small, non-invasive device that stimulates a nerve in the leg to see if it can safely ease Restless Legs Syndrome (RLS) during pregnancy. Fifteen pregnant women between 21 and 26 weeks will use the device for 30-minute sessions over 8 weeks. Researchers will ch…

This study compares a 6-week mindfulness program to a sleep education class to see which better improves sleep in first- and second-year college students. About 240 students aged 18-22 who have trouble sleeping will participate. Researchers will track sleep quality, mood, and inf…

This study tests two ways of delivering cognitive behavioral therapy for insomnia (CBT-I) to people with multiple sclerosis: one-on-one telehealth sessions or a self-guided web program. Researchers will compare these to usual care to see which improves sleep, reduces fatigue, and…

This study compares myofascial release (a type of massage) and cupping therapy to see which better improves quality of life in people with restless leg syndrome and knee osteoarthritis. 54 adults aged 40-70 with moderate to severe knee arthritis will receive 12 sessions over 4 we…

This pilot study tests whether screening and treating sleep disorders during tobacco or cannabis cessation therapy helps people stay abstinent longer. 80 participants will either get usual care or extra sleep-focused care. The study follows them for 6 months to see if addressing …

This pilot study tests whether taking a form of Vitamin B3 (nicotinamide riboside) can improve sleep quality in healthy adults aged 40-60. Sixteen participants will receive either the supplement or a placebo for 8 weeks, and their sleep will be measured with brainwave monitoring.…

This study tests whether adding simple mental tasks (like memory games) to water aerobics helps older women improve their thinking and memory more than water aerobics alone. About 98 inactive women aged 60-75 will take part in a 12-week program. Researchers will measure changes i…

Researchers at The Hong Kong Polytechnic University are investigating how insomnia affects pain sensitivity and the soreness that follows exercise. The study compares healthy adults with insomnia to those without, measuring their responses to heat, pressure, and pinprick stimuli.…

This study looks at how losing sleep and having a disrupted body clock (like shift workers) can make the body less responsive to insulin, a key step toward obesity and type 2 diabetes. Researchers will test 48 healthy adults aged 18-45 to see how the timing of the stress hormone …

This observational study looks at whether adults' sleep quality, sleep timing, and natural chronotype (morning vs. evening preference) are linked to how they share resources with others. Participants fill out sleep questionnaires, keep a 7-day sleep diary, and play a brief comput…

Researchers at The Hong Kong Polytechnic University are studying whether acute muscle pain from exercise changes sleep differently in people with insomnia compared to healthy sleepers. The study enrolls 80 adults aged 18 to 60, split into two groups: those with clinical insomnia …

Fibromyalgia causes widespread pain, fatigue, and trouble with daily activities, and these symptoms can shift from day to day even when their average level stays the same. Researchers at Mardin Artuklu University are studying 150 adults with fibromyalgia to see whether daily chan…

Researchers in Switzerland are studying how well contactless sleep sensors measure sleep in older adults living in retirement and nursing homes. Over 14 days, 52 residents will have their sleep tracked to see how much sleep quality varies from night to night. The goal is to find …

This study looks at how well people hospitalized for a COPD flare-up perceive internal body signals — a skill called interoception — and whether that relates to their breathlessness, depression, and sleep quality. Researchers will assess 50 patients using questionnaires and clini…

This pilot study will give 70 children aged 6-13 either a daily almond butter snack or a chocolate spread snack for 8 weeks. Researchers will measure changes in gut and mouth bacteria, blood markers, and digestion. The goal is to see if almonds can improve gut health and reduce f…

Researchers want to know if breathing patterns recorded while premature babies are in the neonatal intensive care unit relate to asthma, sleep-disordered breathing, and neurodevelopmental problems at preschool age. The study follows up to 500 children born before 29 weeks of preg…

This pilot study looks at how sleep, physical activity, and meal timing in early pregnancy relate to blood sugar patterns and the risk of gestational diabetes. Researchers will track 140 pregnant women using wearable devices and an AI food-logging app. The goal is to see if real-…

This study looks at sleep problems in healthy Somali Americans and how they might raise the risk of high blood pressure. Researchers will use sleep studies and 24-hour blood pressure monitors on 240 adults. The goal is to find hidden sleep issues and understand their link to bloo…

This study observes pain levels in teenagers aged 13-18 after outpatient tonsil and adenoid removal. Participants receive either acetaminophen with ibuprofen or acetaminophen with oral ketorolac, based on their surgeon's usual practice. They report pain and recovery via text surv…

This study uses an online survey to investigate how common orofacial pain, sleep problems, and oral health issues are among adult musicians in German amateur orchestras. Participants fill out a single 10-minute questionnaire about pain, sleep bruxism, stress, and oral health qual…

This study looks at whether having insomnia before dental surgery leads to more pain afterward. Adults getting teeth pulled will be grouped by their sleep quality and will report pain levels using questionnaires. The goal is to see if poor sleep makes recovery harder.

This study measures thinking, memory, and attention in people with congenital central hypoventilation syndrome (CCHS), a rare condition that can reduce oxygen to the brain. Participants complete a 45-minute app-based cognitive assessment on an iPad, and parents or adult participa…

This study looks at how common sleep apnea is in people hospitalized with schizophrenia and whether it affects their mental health. Researchers will use a special ring and a fiber-optic mat to track breathing during sleep without any wires or uncomfortable equipment. The goal is …

This study follows 200 adults with newly diagnosed obstructive sleep apnea who are starting CPAP therapy. Researchers measure biomarkers from the initial sleep study, including hypoxic burden, pulse wave amplitude drops, and heart rate variability. They then check whether these m…

This study looks at how the brain changes over time in people with REM sleep behavior disorder, a condition that often leads to Parkinson's disease or similar disorders. Researchers will use brain scans and thinking tests to track these changes in about 86 adults. The goal is to …

This study looks at people with REM sleep behavior disorder (RBD), a condition where people act out their dreams and which often leads to Parkinson's disease. Researchers will use advanced brain imaging, sleep tests, and physical exams to compare 50 people with RBD to 50 healthy …

This study looks at whether people with insomnia need different amounts of anesthesia during a digestive endoscopy compared to those who sleep well. Researchers will track the total dose of anesthetic drugs used and watch for side effects. Over 3,300 adults aged 18–64 are being r…

This study looks at how the amount of air in your lungs affects throat collapse during sleep in people with obstructive sleep apnea (OSA). Researchers will use a special camera to watch the throat while patients are sedated, and try changing lung volume with a chest device or nec…

This trial tests whether mailing a sleep apnea home-testing device to people with atrial fibrillation can improve their quality of life. About 936 participants will either receive the device and possible treatment, or no test at all. Researchers will track symptoms, activity, and…

This study will examine 600 men aged 35-59 in Uzbekistan to find out which physical, lifestyle, and emotional factors are linked to low testosterone. Participants will have blood tests, physical measurements, and complete questionnaires. The goal is to create a model that helps d…

This study explores whether methane gas produced by gut microbes is linked to the progression of Parkinson's disease and related conditions like dementia. Researchers will measure breath methane levels in 200 adults—including those with Parkinson's, those at high risk (REM sleep …

This study aims to learn more about childhood-onset behavioral, psychiatric, and developmental disorders by observing people of all ages who have these conditions, along with their family members. Researchers will collect medical histories, perform psychiatric assessments, and ma…

This study is collecting blood and other samples from 5,000 children and young adults (under 21) who are already taking certain medications as part of their regular care. The goal is to understand how these drugs move through and affect children's bodies, so doctors can prescribe…

This study explores how light influences the body beyond vision—affecting sleep, mood, and thinking—in people with sleep disorders, neurological conditions, psychiatric conditions, or eye diseases. Researchers will measure the pupil's response to specific light exposures to under…

This pilot study will test whether a drug called dexmedetomidine can reduce activity in a brain region (the locus coeruleus) that may be too active during sleep in people with insomnia. Fifteen adults with insomnia will receive either the drug or a placebo before bed in a crossov…

This study aims to understand how working night shifts impacts blood sugar, fat levels, and heart health in hospital staff. Researchers will compare workers who do night shifts with those who don't, using continuous glucose monitors and other measurements. The goal is to gather k…

This study looks at why people taking medications for opioid use disorder often have trouble sleeping. Researchers think special light-sensitive cells in the eye might be involved. They will measure pupil responses, brain waves during sleep, and daily sleep patterns in 200 adults…

This study looks at whether successfully treating moderate-to-severe sleep apnea can improve memory and reduce biological markers linked to Alzheimer's disease in older adults. About 200 cognitively healthy people aged 55-85 will either receive immediate sleep apnea treatment or …

This study looks at whether how well people with obstructive sleep apnea notice and interpret body signals is linked to their breathing, fatigue, shortness of breath, and sleep quality. Researchers will measure body awareness with a questionnaire and compare it with lung function…

This study investigates whether sleep patterns influence the community of microorganisms living in the human body, known as the microbiota. Researchers will examine how changes in sleep and body weight affect these microbes in healthy people. The goal is to understand if sleep-re…

This study explores how different sleep durations—short (6 hours or less), long (9 hours or more), and average (7-8 hours)—relate to cardiovascular health, physical activity, and sleep quality. Researchers will measure blood vessel function, blood pressure, and sleep patterns in …

This study follows 260 adults newly diagnosed with cancer who have no prior sleep issues. Researchers will track how insomnia develops over the first year, using questionnaires to measure sleep quality and severity. The goal is to understand what factors—like treatment type or em…

Pediatric Acute-onset Neuropsychiatric Syndrome (PANS) causes sudden, severe behavioral and cognitive changes in children, but doctors currently rely only on symptoms for diagnosis. This study aims to identify biological markers—such as genetic, metabolic, and sleep-related signa…

This observational study aims to measure how common obstructive sleep apnea (OSA) is in community populations, patients with conditions like hypertension or diabetes, and special groups in China. Participants will fill out a screening questionnaire, and some will undergo sleep mo…

This study checks tongue strength in 78 children with suspected obstructive sleep apnea. Researchers use a device to measure tongue pressure during pushing and swallowing. They compare results to healthy kids to see if weak tongue muscles are linked to sleep problems.

This study looks at how sleep apnea measurements change from night to night. Current tests rely on a single night, which can be inaccurate. Researchers will track 192 people over multiple nights to find more reliable markers for diagnosis and treatment.

This study investigates whether certain proteins and other substances in the blood can help identify and track obstructive sleep apnea (OSA), a common disorder linked to heart and metabolic problems. Researchers will compare blood samples from 120 adults—some with moderate-to-sev…

This study aims to see if it's practical to measure sleep in adults who play video games regularly but don't have gaming disorder. Forty participants (gamers and non-gamers) will keep sleep and gaming diaries, wear a wrist monitor, and provide urine samples for melatonin testing.…

This study looks at why central sleep apnea happens and how to treat it better. Researchers will test a combination of a drug (acetazolamide), extra oxygen, and a breathing machine (PAP therapy) in 200 veterans with this condition. The goal is to understand the body's breathing c…

This study looks at how sleep-disordered breathing (like snoring or pauses in breathing) affects blood vessel function and heart health in pregnant people. Participants complete an 8-day testing protocol at two points during their pregnancy. The goal is to understand whether slee…

This study follows about 800 internal medicine residents in Switzerland over several years to track their well-being, mental health, and career decisions. Participants complete annual surveys covering stress, burnout, depression, sleep, empathy, and work-life balance. The goal is…

This study tests whether a video camera with artificial intelligence can track newborn brain health by analyzing their movements. About 200 babies in the NICU will be recorded continuously from admission to discharge. The AI's findings are kept from doctors for now, to see if the…

This study investigates whether digital biometrics and blood-based markers can help detect, predict, and track delirium in older adults admitted to the intensive care unit (ICU). Participants wear a digital device to collect data like activity and heart rate, and provide blood sa…

This study will use PET-MRI brain scans to compare the reward system in 44 Parkinson's patients, some of whom have a sleep disorder called RBD. The goal is to understand why some patients develop impulse control problems, like gambling or compulsive behaviors, as a side effect of…

This study looks at how often sleep apnea occurs in people with peripheral artery disease (blocked leg arteries). Researchers will monitor 295 adults with leg artery disease using a sleep test. The goal is to better understand the connection between these two conditions, which ma…

This study will test new methods to measure how sleep apnea affects the heart. Researchers will follow 270 adults with moderate to severe sleep apnea who use CPAP, mouth devices, or nerve stimulation. The goal is to see if these new metrics can better predict heart problems than …

This study is tracking 2,000 adults over time to understand how obesity and disruptions to the body's internal clock (circadian rhythm) influence aging and heart health. Participants will provide health data, questionnaires, and biological samples during annual check-ups. The goa…

This study will track jaw muscle activity in 42 adults with chronic jaw pain and teeth grinding (bruxism) who use a custom mouth splint at night. Participants will wear a portable device for 24 hours to measure muscle activity before starting the splint, two weeks later, and afte…

This observational study is recruiting 140 people to see if a history of concussions or playing contact sports is more common in those with REM sleep behavior disorder (RBD) compared to those without. RBD causes people to physically act out their dreams. Participants will answer …

This study looks at how the timing of aerobic exercise—morning versus late afternoon—affects deep sleep and body temperature. Researchers will compare endurance athletes with inactive people to see who is more affected. The goal is to understand how exercise timing can improve sl…

This study looks at whether taking a nap during a night shift can improve blood pressure and alertness in healthcare and public safety workers. Researchers will compare naps lasting 0, 15, 30, 45, or 60 minutes taken at 2:00 AM. The goal is to find the nap length that best balanc…

This study looks at how eating affects sleepiness and nighttime sleep in people with type 1 narcolepsy, idiopathic hypersomnia, and healthy volunteers. Over 4 days, participants will log their meals, wear a glucose monitor, and track sleep with a headband and watch. The goal is t…

This study looks at how narcolepsy (types 1 and 2) and idiopathic hypersomnia affect social cognition—skills like recognizing emotions and making decisions. Researchers will give 75 adults several questionnaires to measure attention, impulse control, empathy, and emotion recognit…

This study follows 50 children and adults with Baker Gordon Syndrome, a rare genetic disorder, to track how the condition changes over time. Participants will undergo brain scans, EEGs, and genetic testing, and complete developmental assessments. The goal is to create better tool…

This study looks at how having both sleep apnea and COPD (called overlap syndrome) affects the heart. Researchers will compare people with one or both conditions and test two breathing treatments—a special mask that helps breathing at night and extra oxygen—to see which may impro…

This study aims to understand how the light from tablet screens and the type of content children watch before bed affect their sleep, thinking skills, and emotions. Researchers will have 220 children aged 8 to 11 spend one hour before bed either using a bright tablet, a dim table…

This study looks at whether a quality-of-life questionnaire (OSA-18) can help parents of children with mild obstructive sleep apnea make treatment decisions. About 130 parents of children aged 3-12 with mild sleep apnea will take the survey. The goal is to see if the survey reduc…

This study looks at whether treating obstructive sleep apnea (OSA) with a CPAP machine can improve asthma control in people with difficult-to-treat asthma. Eighty adults will be randomly assigned to receive CPAP, no OSA treatment, or serve as a reference group without OSA. The go…

This study looks at how sleep helps clean the brain. Researchers will use special MRI scans to see the brain's waste-clearing system in 16 healthy young adults. They will also test a headband that tracks brain waves and uses mild electrical pulses to improve sleep and brain funct…

This study looks at whether being awake during the late-night hours (2:00-4:00 AM) can worsen mood, increase hopelessness, and impair decision-making in people who have had suicidal thoughts in the past six months. Researchers will monitor 90 adults in a lab and at home under dif…

This study tests whether morning bright light therapy can improve sleep in 300 veterans with traumatic brain injury. Researchers will measure changes in inflammation, energy production in cells, and brain cleaning systems. The goal is to understand how better sleep might support …

This study aims to understand why many patients have poor sleep after scheduled surgery. Researchers will give questionnaires to 1,000 adults undergoing general anesthesia to measure sleep quality and daytime drowsiness. The goal is to identify factors that disrupt sleep, such as…

This study looks at the connection between high blood pressure and obstructive sleep apnea (OSA) using heart rate variability (HRV), a simple heart monitoring method. Researchers will track 100 adults with high blood pressure who are at risk for OSA, using heart monitors and slee…

This study follows 320 people with small-to-moderate thoracic aortic aneurysms for up to 5 years. Researchers will track major complications like rupture or need for surgery, and look for factors such as high blood pressure or sleep problems that might speed up aneurysm growth. T…

This pilot study tests whether a drug called aprepitant (currently used for nausea) can lower a hormone called aldosterone in people with severe sleep apnea and high blood pressure. The study will enroll 24 adults and measure aldosterone levels before and after taking the drug or…

This study looks at sleep problems like sleep apnea and insomnia in 226 people who have had a stroke. Researchers want to see how these sleep issues affect recovery, daily activities, and quality of life. Participants will use a home sleep test and a smartwatch to track sleep and…

This study will explore whether sleep apnea makes multiple sclerosis worse. Researchers will collect sleep studies, MRIs, and lab results from 800 adults with MS to see if there is a link. The goal is to better understand how sleep problems might affect the brain and overall heal…

This study looks at how sleep problems and stress can trigger migraines in adults. Participants wear a WHOOP band to track sleep and body signals, and answer daily questions via a smartphone app. The goal is to find personal patterns and give tailored advice to reduce migraine at…

This study explores whether simple tongue motor tests can predict where and how severely a child's airway is blocked during sleep. Researchers will assess tongue strength, mobility, and frenulum tightness in 48 children aged 6-17 who are scheduled for surgery to treat obstructive…

This study looks at pain in people with idiopathic REM sleep behavior disorder (iRBD), a condition that strongly increases the risk of developing Parkinson's disease. Researchers will compare pain levels and patterns between 24 participants with iRBD and a control group with narc…

This study follows 102 men with metastatic hormone-sensitive prostate cancer who are taking standard drugs (abiraterone, apalutamide, enzalutamide, or darolutamide) plus hormone therapy. Researchers will check thinking skills, fatigue, mood, and sleep at the start, 3 months, and …

This study looks at how Cognitive Behavioral Therapy for Insomnia (CBT-I) affects the body's stress system, including the hormone cortisol. Researchers will track 115 adults with chronic insomnia, measuring sleep and stress markers before, during, and after therapy. The goal is t…

This study looks at how sleep apnea changes pressure in the brain and belly during sleep in people with normal-pressure hydrocephalus. Researchers want to see if these pressure changes affect how well a surgically placed shunt (a tube that drains fluid from the brain) works. The …

This study is translating a sleep screening questionnaire into Turkish and testing how well it works for children with complex chronic conditions. Researchers will enroll 330 children and teens, tracking their sleep at home and during stays in the pediatric intensive care unit. T…

This study is testing a small, wireless wearable device that tracks breathing in children. It aims to see if the device works well for kids who have trouble with standard sleep or breathing tests, including premature infants, children with sleep apnea, and those with epilepsy at …

This study watches 150 adults with heart valve problems who are getting a procedure (TAVI or M-TEER) to see if it helps their sleep-disordered breathing. Participants take a sleep test before the procedure and again 6 months later. The goal is to learn how fixing heart valves mig…

This study looks at how sleeping at high altitude (2,877 meters) affects the sleep quality of 32 employees at Pic du Midi. Researchers will compare nights spent at home versus nights spent at the summit using sleep recordings. The goal is to understand sleep changes in people who…

This study looks at how sleep and body clocks affect the brains of teenagers and their risk for using substances like alcohol or drugs. Researchers will monitor the sleep patterns and brain activity of 200 healthy teens aged 13-18. The goal is to understand how changes in sleep a…

This study looks at whether limiting food intake to an 8-hour window each day can improve sleep, physical activity, and reduce sitting time in college-aged women. Thirty-six female students at the University of Georgia will either follow this eating pattern or receive basic nutri…

This study compares how people with chronic insomnia and healthy controls recognize facial emotions. Using eye-tracking, researchers will look for subtle differences in attention and emotional processing. The goal is to better understand social challenges linked to insomnia and i…

This study looks at how cannabis use and stopping it affect sleep, daily body rhythms, and sensitivity to light in healthy young adults aged 18-25. Researchers will compare regular cannabis users with non-users using sleep monitors, light tests, and pupil measurements. The goal i…

This study is testing whether giving expecting parents sleep information and advice can help their babies sleep longer and have fewer sleep problems. About 391 families will be followed for 24 months, with some receiving regular sleep tips and others none. The goal is to see if s…

This study looks at 30 six-month-old infants with Down syndrome to see if their sucking patterns are linked to the severity of obstructive sleep apnea (OSA). Researchers will measure sucking bursts and compare them to sleep study results. The goal is to find a simple way to scree…

This study looks at 1,200 children and young adults (ages 1-20) with suspected sleep-disordered breathing to see if their sleep test results match up with problems in thinking, mood, and behavior. Participants will complete sleep studies, questionnaires, and thinking tests. The g…

This study looks at how a brain chemical called norepinephrine affects sleep and thinking in older adults with insomnia, who are at higher risk for Alzheimer's. Researchers will measure this chemical in the blood and use a light therapy to try to improve sleep and mental sharpnes…

This study looks at whether children with a narrow upper jaw (transverse orthodontic deficiency) are more likely to have obstructive sleep apnea. Researchers will compare sleep test results from 102 children aged 6 to 16, some with and some without this jaw issue. The goal is to …

This study looks at young women with anorexia nervosa to see if changes in a gene related to appetite and wakefulness (the orexin gene) are linked to how severe their eating disorder is, whether they have depression, and how well they sleep. Researchers will compare these women t…

This study looks at how the immune system influences disease control in people with inflammatory airway diseases like asthma, COPD, and bronchiectasis. Researchers will analyze blood and sputum samples from 200 participants to find links between immune cell patterns and disease s…

This study looks at whether obstructive sleep apnea (OSA) changes how the body processes fat. Researchers will compare fat metabolism in 100 adults with and without sleep apnea using glucose tests. No treatment is given; the goal is to better understand how OSA might affect energ…

This study looks at how reliable the Maintenance of Wakefulness Test (MWT) is for people who feel very sleepy during the day. Researchers will test 100 participants twice to see if the results are consistent. If the test proves reliable, it could help doctors decide who is safe t…

This study aims to improve how sleep is measured for nightshift workers, whose inverted schedules make standard sleep trackers inaccurate. Researchers will use an Apple Watch along with machine learning to better detect daytime sleep. About 100 nightshift workers will participate…

This study looks at whether breathing through the nose or mouth changes how the airway collapses in people with sleep apnea. About 50 adults will have a sleep endoscopy while lightly sedated. The goal is to see if the breathing route during the test matches natural sleep and affe…

This study looks at sleep problems in people with Parkinson's disease and those with a sleep disorder called REM sleep behavior disorder (iRBD). Researchers will compare sleep quality among these groups and healthy volunteers using overnight sleep tests. The goal is to better und…

This study aims to see if a short, easy questionnaire can help detect sleep disorders in people visiting a heart doctor. Researchers will ask 1500 adults about their sleep and check if certain sleep problems are linked to heart disease. The goal is to make it simpler for doctors …

This study looks at whether the number of steps breast cancer patients take each day, tracked by a smartwatch, is linked to how well their treatment works. About 82 women with non-metastatic HER2-negative breast cancer will wear a Huawei Fit 2 smartwatch during chemotherapy befor…

This study looks at whether working unusual hours or having idle time at work makes people more likely to gamble in risky ways. Researchers will interview 25 adults who currently have or have had gambling problems and who have worked in the past year. The goal is to understand ho…

This study will follow 1,000 adults in Spain who are suspected of having obstructive sleep apnea (OSA) and daytime sleepiness. Participants will undergo standard sleep tests, blood pressure monitoring, and fill out questionnaires about their quality of life and sleepiness. Resear…

This study looks at whether sleep quality is linked to gum disease (periodontitis). Researchers will measure sleep quality, fatigue, and certain substances in saliva from 48 healthy adults with or without gum disease. The goal is to better understand how oral health and sleep are…

This study follows 35 people with severe obesity who are having mini-gastric bypass surgery. Researchers want to see how the surgery changes body composition and improves related health issues like type 2 diabetes, sleep apnea, high blood pressure, and fatty liver disease. The go…

This study looks at how one session of intense exercise changes sleep patterns in people who have frequent leg movements during sleep (PLMS). Researchers will compare people with and without PLMS using sleep tests and wearable devices. The goal is to learn more about how exercise…

This study looks at whether trouble processing sounds (called central auditory processing disorder, or CAPD) causes poor sleep in children and teens with autism. Researchers will compare two groups of 100 kids with autism—those with CAPD and those without—using parent surveys and…

This study looks at how obstructive sleep apnea (OSA) affects thinking skills and empathy in children aged 3 to 12. Researchers will compare surgery versus medication for mild OSA and track changes over 12 months. They will also use EEG to find brain signals linked to sleep apnea…

This study looks at whether a night of disrupted sleep can lead to extra heartbeats or atrial fibrillation the next day. Researchers will ask 100 adults with sleep apnea to either use or not use their sleep device on different nights, then monitor their heart rhythms. The goal is…

This study looks at how obstructive sleep apnea (OSA) affects thinking, memory, and other brain functions in adults. Researchers will follow 30 people with newly diagnosed OSA for 12 months to see if using a breathing device (positive airway pressure therapy) helps protect the br…

This study looks at how sleep issues and sleep apnea might affect thinking, memory, and daily life in people who had COVID-19. Researchers will follow 200 veterans for up to a year, testing their brain function, sleep quality, and exercise ability. The goal is to find out if trea…

This study looks at how different patterns of light exposure and food intake affect the body's metabolism when sleep is reduced. Researchers will monitor 120 healthy adults aged 18-35 over 4-6 months, including three overnight clinic stays. The goal is to understand how these fac…

This study looks at how sleep apnea (pauses in breathing during sleep) affects blood sugar levels in adults with type 1 diabetes. Researchers will track blood sugar patterns using continuous glucose monitors in 40 participants. The goal is to understand the link between sleep apn…

This study looks at how a commercially available ketone drink (Ketone-IQ) affects sleep and breathing in 20 healthy adults aged 18-50. Participants take two different doses at home on separate nights and measure their ketone levels and sleep quality using a headband device. The g…

This study looks at how doctors currently screen and treat obstructive sleep apnea in children with Down syndrome at one hospital. By reviewing past records of 30 children, researchers hope to create a standard care plan that can be used across France. The goal is to improve brea…

This study tests whether a short burst of aerobic exercise on a stationary bike and a 30-minute nap can improve how people with multiple sclerosis learn and remember a hand motor skill. Twenty adults with relapsing-remitting MS will take part. Researchers will measure brain and m…

This study aims to create a computer tool that uses MRI scans to predict which surgery will work best for children with obstructive sleep apnea (OSA). About 120 children with persistent OSA after tonsil and adenoid removal will be enrolled. The tool simulates airflow in the airwa…

This study looks at oxygen levels in adults over 65 after hip fracture surgery, comparing regional (spinal) anesthesia to general anesthesia. Researchers will measure oxygen saturation and track complications like sleep apnea, delirium, and hospital stay length. The study is obse…

This study reviews medical records of 200 children with obstructive sleep apnea who had tonsil surgery. Researchers want to find out how often breathing problems happen after surgery, especially in children with obesity, Down syndrome, or other health issues. The goal is to bette…

This study will follow 7,000 people with obstructive sleep apnea to see how different forms of the condition relate to long-term health. Researchers will use sleep tests, health records, and additional lab work to find patterns. The goal is to better understand sleep apnea and it…

This study looks at whether sleep disorders make vertigo worse for people with Ménière's disease, a condition that causes hearing loss, ringing in the ears, and dizziness. Researchers will track 100 adults to see if those with more severe vertigo also have more sleep problems. Th…

This study looks at how being a 'morning person' or 'night owl' changes the way you experience time. Healthy adults aged 23-45 will do computer tasks at their preferred time of day and again at the opposite time. Researchers want to see if time judgments and alertness are worse w…

This study looks at how the body's internal clock changes our perception of time when we stay awake for 36 hours. Thirty healthy adults will remain awake in a controlled lab, with constant light, posture, and food. Every two hours, they complete tests on time estimation, reaction…

This study looks at how chronic sleep problems and pain sensitivity are connected in people with long-term low back pain and insomnia. Researchers will use brain imaging, pain tests, and blood/stool samples in 80 adults to understand the underlying brain mechanisms. The goal is t…

This study tests a 12-week mobile app program for parents of 3-4 year olds who currently meet few movement guidelines. Children wear activity trackers, and parents get weekly tips and goals through the app. The goal is to see if the app helps kids get more physical activity, bett…

This study looks at sleep inertia—the grogginess and poor attention right after waking—in people with major depression. Researchers will test reaction times and monitor sleep in 110 participants, including depressed patients with and without sleep inertia, plus healthy controls. …

This study uses brain scans (fMRI) to see if people with severe sleep apnea have unusual brain activity while awake, and whether CPAP treatment changes that. Researchers will compare 70 participants—some with sleep apnea and some without—to understand how the brain compensates fo…

This study looks at how a device that stimulates the nerve to the tongue (hypoglossal nerve) changes the way the upper airway collapses during sleep in people with obstructive sleep apnea. Researchers will use a sleep endoscopy and sleep study data to compare collapse patterns be…

This study looks at sleep quality in 100 people with atrial fibrillation (AFib) who are scheduled for a heart procedure called pulmonary vein isolation. Participants will have four non-invasive sleep tests—two before and two after the procedure—to measure breathing, heart rate, a…

This study follows 800 adults who spent at least 48 hours in the ICU to understand why some develop chronic pain. Researchers will call participants at 90 and 180 days after discharge to ask about pain, sleep, and quality of life. A smaller group will also have a detailed physica…

This study looks at why people with damage to the hypothalamus or pituitary gland often have sleep problems. Researchers will compare 60 patients to healthy volunteers using sleep tests, hormone measurements, and brain scans. The goal is to find better ways to prevent and treat t…

This study is looking at how lifestyle choices like diet, exercise, stress, and sleep relate to heart health measures such as blood pressure and cholesterol. Researchers will ask 100 adults and young people to fill out a questionnaire about their habits. The goal is to better und…

This study looks at whether changes in gut bacteria and increased intestinal permeability can trigger inflammation that damages brain cells in people with type 1 narcolepsy. Researchers will collect blood, stool, and spinal fluid samples from 120 participants to measure bacterial…

This study looks at whether keeping a regular sleep schedule can improve heart and metabolic health in healthy adults aged 18-40, and also in people with chronic pain. Over 12 weeks, researchers will measure changes in sleep timing, blood pressure, heart rate, and other health ma…

This study looks at how eating a high-fat diet can change your body's internal clock, which controls sleep and other daily rhythms. Researchers will track 14 healthy, lean adults over 46 days, including 18 days spent in a research center. The goal is to understand how quickly the…

This study from Indiana University looks at how the COVID-19 pandemic may have changed people's physical activity, sleep, diet, blood pressure, and mental stress. Researchers will track 100 adults aged 18-75 using wearable devices, fitness tests, blood samples, and blood pressure…

This study looks at whether a person's tendency to have trouble sleeping when stressed (called sleep reactivity) is a main cause of Shift Work Disorder. Researchers will reduce the mismatch between workers' body clocks and their nightshift schedule, then see if those with high sl…

This study is testing whether brain scans can predict how well people respond to internet-based cognitive behavioral therapy (iCBT) for depression, insomnia, and social anxiety. Researchers will scan the brains of 150 participants before they start 12 weeks of online therapy. The…

This study looks at how insomnia affects how often children and teens use their positive airway pressure (PAP) machines for obstructive sleep apnea. Researchers will track 82 kids aged 8-18 who are starting PAP therapy and measure their machine use over 90 days. The goal is to un…

This study looks at how sleep disturbances impact thinking skills and quality of life in 75 women treated for breast cancer. Participants will undergo brain scans, sleep tracking, and cognitive tests over six months. The goal is to understand the links between sleep, brain functi…

This study, called YoPA, is testing whether getting teenagers directly involved in designing changes to their neighborhoods can help them be more active, sleep better, and spend less time on screens. Researchers in Denmark, the Netherlands, Nigeria, and South Africa will work wit…

This study looks at how chronic pain affects sleep in teenagers aged 15-17. Researchers will test whether listening to a relaxing story before falling asleep can improve sleep quality and help process emotions related to pain. Twenty teens with persistent pain will have their sle…

Researchers at Mayo Clinic are studying 600 Somali-American adults to understand how common obstructive sleep apnea is and how it affects heart health. Participants will have sleep tests, blood pressure monitoring, and glucose testing. The goal is to learn about unique risk facto…

This study compares two ways of adjusting a nerve stimulator implant (Inspire system) for obstructive sleep apnea. Currently, patients need an overnight sleep study to fine-tune the device. Researchers want to see if a daytime sleep study works just as well. The trial will enroll…

This study aims to understand why night shift work is linked to obesity. Researchers will compare 1000 night shift and day workers across five European countries, measuring body composition, diet, and biological markers like hormones and inflammation. The goal is to uncover the m…

This study follows 65 adults with obstructive sleep apnea to see how three weeks of CPAP therapy changes their thinking skills, blood markers of brain health, and emotional well-being. Participants complete memory and attention tests, give blood samples, and fill out questionnair…