Sleep disorder

This trial tests whether combining an online form of Acceptance and Commitment Therapy with a noninvasive brain stimulation technique can improve sleep quality in adolescents with depression and sleep problems. About 160 teens aged 11 to 19 are randomly assigned to receive the co…

This trial tests whether giving dexmedetomidine, a sedative, at night can help older adults sleep and reduce the risk of delirium after cardiac surgery. Participants are 60 or older and scheduled for heart surgery with a planned ICU stay. Half receive the drug, half receive a pla…

This study tested whether a physical activity program delivered by mail and website could improve the health of nearly 50,000 older women already in the Women's Health Initiative. The program included aerobic, balance, strength, and flexibility exercises, and encouraged reducing …

This study tested if transplanting healthy gut bacteria (fecal microbiota) can help people with chronic insomnia. 80 adults received either the bacteria or a placebo in capsules. Researchers measured sleep quality using sleep tests and questionnaires to see if the treatment impro…

This study explores whether a three-dimensional electronic pulse diagnostic device can accurately identify Traditional Chinese Medicine (TCM) syndromes in people with sleep disorders. Participants undergo pulse measurements and symptom assessments, and the device's results are co…

This study tested a headband called Dreem 3S that people wear at home to monitor sleep and wake patterns. The goal was to see if it can help diagnose narcolepsy, a condition that causes extreme daytime sleepiness. 78 adults took part, and researchers checked how well the device w…

This study looked at whether a home sleep apnea test can accurately detect obstructive sleep apnea in children aged 5-12 who have already had their tonsils and adenoids removed. 62 children completed both a home test and an overnight in-lab sleep study. The goal was to see how we…

This study tested whether giving extra health coaching to new parents—especially fathers—could help prevent rapid weight gain in babies and reduce obesity risk. Researchers enrolled 657 parents from Massachusetts General Hospital and randomly assigned them to either receive coach…

This completed study tested a program to prevent obesity in mothers and children from pregnancy to age 2. It involved 1,645 families at community health centers in Boston. The program used education, text messages, and provider training to promote healthy eating, physical activit…

This study tested a program to help children aged 6-11 maintain a healthy weight and feel good. Over 1,300 kids from 24 Danish schools took part. The program included changes at school and in the community to encourage healthy eating, more physical activity, better sleep, and les…

Researchers want to know if using a temperature-controlled mattress pad changes sleep quality and deep sleep. The study includes people who already own a Chili Sleep System and an Oura Ring. For two out of four weeks, participants stop using the pad while wearing the ring and ans…

This study tested whether providing overnight infant care and parenting support helps new mothers with substance use disorder living in residential treatment programs. 41 mothers participated, and researchers measured how many enrolled, completed the program, and gave feedback. T…

This study looked at whether therapeutic touch—a gentle, non-invasive technique—can help people aged 65 to 85 who are in the hospital sleep better and feel less anxious. Researchers compared a group that received therapeutic touch to a control group. The goal was to see if this s…

This trial tests whether wearing compression garments at night affects sleep in young elite soccer players. Eighteen players will wear full compression leggings, compression calf sleeves, or non-compressive placebo garments for seven nights each, in random order, while their slee…

This trial tests whether a nurse-led program of sleep hygiene education and progressive muscle relaxation can improve sleep quality in obese pregnant women. Researchers will enroll 100 women in their third trimester with a BMI of 30 or higher and sleep problems. Half will receive…

This study is testing whether an 8-week mindfulness program can help hospital staff and older adults sleep better and feel less depressed. Researchers will measure changes in sleep quality, depressive symptoms, and well-being using questionnaires and overnight sleep tests. The go…

This study tests whether a smartphone-based mindfulness program is practical and liked by teens and young adults (ages 15-39) with sickle cell disease who have chronic pain or sleep problems. Participants use a guided meditation app for about 8 weeks. The goal is to see if people…

This study looked at whether a sleep medication called suvorexant can improve sleep and reduce stress in people recovering from opioid addiction. About 138 participants on medications like methadone or buprenorphine were given either suvorexant or a placebo for 8 weeks. The goal …

This trial tests whether a daily sleep gummy can improve sleep quality and quantity in adults aged 20-50 who have self-reported sleep issues. Participants take one gummy before bed for 7 days while wearing a Fitbit tracker to measure sleep patterns. The study compares sleep metri…

This trial tests whether a 20-minute foot massage, given daily for three days after open heart surgery, can reduce pain, improve sleep quality, and boost mood. Adults undergoing coronary artery bypass grafting who report significant pain after surgery are randomly assigned to rec…

This study looked at whether smelling lavender can help people over 65 sleep better and have better physical balance. 90 older adults took part, and researchers measured sleep quality and balance before and after using lavender scent. The goal was to find a safe, non-drug way to …

This study is testing whether special drug-free patches can help relieve acute back, shoulder, or other muscle pain and improve sleep. The patches use a gentle vibration technology instead of medication. 150 adults aged 18-64 will wear either an active patch or a sham (fake) patc…

This trial tests whether different combinations of cannabinoids—THC, CBN, CBG, CBD, and melatonin—taken as gummies can improve sleep quality in adults aged 21 to 55 who report poor sleep. Participants will be randomly assigned to receive one of several active gummy formulas or a …

This trial tests whether a group-based psychological treatment for insomnia, adapted for people with depression, anxiety, or PTSD, can improve sleep and reduce psychiatric symptoms. Participants receive either the adjusted CBT-i program or usual care. The study measures changes i…

This study tests two simple activities—pedaling a stationary bike and using a breathing device—during dialysis sessions to see if they reduce fatigue and improve sleep. 102 adults on hemodialysis will be split into three groups: one does leg exercises, one does breathing exercise…

This study tests whether a one-month program of isometric neck exercises and posture advice can reduce cervicogenic headaches, stress, and sleep problems in 44 adolescents aged 13-19 who use smartphones at least 4 hours daily. Participants will be randomly assigned to either the …

This trial tests whether therapeutic touch or foot reflexology can improve sleep quality and ease menopausal symptoms in postmenopausal women who lived through the 2023 Kahramanmaraş earthquakes. About 155 women will be randomly assigned to receive one of the two therapies or to …

This study explores whether sleep problems in children with ADHD are linked to being overly sensitive to everyday sensations, like touch or sound. It tests a bedtime routine called 'Power Down' that uses gentle massage and calming cues to help children relax before sleep. The stu…

This study explores whether a single-session sleep training program can improve sleep and reduce symptoms of borderline personality disorder (BPD) in teenagers. Teens aged 13-18 with BPD symptoms will receive a brief intervention based on the TSC-Youth protocol, which teaches hea…

This trial tests whether daily omega-3 fish oil supplements can improve sleep, mood, and behavior in children who have sleep problems and symptoms of ADHD, autism, or both. The study takes a symptom-focused approach, aiming to identify which specific difficulties—like emotional u…

This trial tests whether a set of EMF protection devices—including pads, chips, and bands—can improve sleep quality and energy levels in adults aged 30-60 who have trouble sleeping. Participants use all devices daily for about four weeks while tracking sleep with a wearable ring …

This trial investigates whether daily exposure to a bluish-white light (at least 300-500 lux for two hours) can improve sleep efficiency, reduce depression, and calm agitation in people with mild to moderate Alzheimer's or related dementias. Participants are assigned to one of th…

This pilot study tested whether wearing bright light therapy glasses can improve sleep and reduce cravings in people being treated for opioid use disorder. Twenty-three adults on stable medication-assisted treatment (methadone or buprenorphine) with insomnia used either active or…

This study compares two non-drug approaches to improve sleep in adults with poor sleep quality. One group uses aromatherapy and pink noise, while another practices muscle relaxation and breathing exercises. All participants also receive sleep hygiene education. The goal is to see…

This study tests whether personalized advice on sleep timing, light exposure, meal times, and physical activity can improve sleep quality in adults aged 65 and older who have poor sleep. Participants are randomly assigned to receive either general sleep advice or a customized pla…

This study tests a specially adapted form of cognitive behavioral therapy for insomnia (CBT-i) in people with bipolar disorder who have sleep problems. The therapy includes sleep scheduling, light exposure, and relaxation techniques. Researchers want to see if it improves sleep q…

This study tests two digital sleep interventions designed to help teenagers aged 12-14 improve their sleep regularity and mental health. Participants wear a Garmin device and use a smartphone app that provides personalized feedback on their sleep patterns. The goal is to see if t…

This study tested two simple treatments—melatonin pills and tailored light therapy—to help people with Long COVID who have trouble sleeping. About 470 participants were randomly assigned to receive either melatonin, a placebo, or light therapy. The goal was to see if these treatm…

This study tests a smartphone app called Sleepio that teaches teens with insomnia how to sleep better using cognitive behavioral therapy. The participants are 14- to 18-year-olds who have recently been hospitalized for suicidal thoughts or attempts. The goal is to see if improvin…

This study tested a behavioral sleep program for 16 depressed teenagers who slept less than 7 hours on school nights or had irregular sleep schedules. The program included one session with a provider and used smartphone tools to help teens create a plan for longer and more regula…

This completed pilot study tested whether shining a low-level laser into the blood (intravenous laser therapy) can improve sleep and reduce pain in people with chronic sciatica. Sixty-six adults with sciatica and poor sleep received either electroacupuncture alone or electroacupu…

This study tested whether a plant-based melatonin supplement (phytomelatonin) from tomatoes can improve sleep quality better than synthetic melatonin or a placebo. 244 adults with poor sleep took one capsule nightly for 28 days. Sleep was tracked with a wearable ring and question…

This study tested whether a daily 150mg sustained-release ashwagandha supplement can reduce disturbed sleep in 54 adults with poor sleep quality. Participants took either the supplement or a placebo for 28 days and wore an Oura ring to track how often they woke up after falling a…

This study tested whether eye masks and calming audiobooks could improve sleep for children aged 6-15 in the pediatric intensive care unit. Forty-two children were randomly assigned to use these tools or receive standard care. Researchers measured sleep quality and vital signs to…

This study looked at whether taking gac fruit oil capsules for 30 days could help adults aged 40 to 65 who have trouble sleeping. The 50 participants took four capsules daily and were tested on sleep quality, vision, mood, and brain scans before and after. The goal was to see if …

This study tested whether wearing special light glasses for 30 minutes each morning could help breast cancer patients feel less tired, sleep better, and think more clearly during treatment. The trial included 260 women with early-stage breast cancer, plus a healthy comparison gro…

This study looked at whether different lengths of light exposure can improve sleep, mood, and agitation in people with Alzheimer's disease. 135 participants were randomly assigned to receive 2 hours, 4 hours, or all-day morning light. The goal was to see which light schedule work…

This completed trial tested whether a combination of physical activity (the Otago program) and cognitive training (using the CogniFit app) could improve sleep and quality of life in people over 65. Sixty-six participants were split into groups: one did the physical program, anoth…

This study tested three behavioral approaches—sleep restriction, stimulus control, and systematic light exposure—to help gynecologic cancer survivors who have trouble sleeping. 78 participants completed the program, and researchers measured changes in sleep quality and daytime im…

This small study tested a dietary supplement called NatureU Sweet Dream, which contains GABA and Lactium, against a standard melatonin product in 17 adults with mild to moderate sleep problems. Participants wore a sleep tracker to measure deep sleep duration and percentage. No si…

This study tested whether sleeping with the head and trunk raised (using an adjustable bed backrest) improves sleep quality in people with chronic obstructive pulmonary disease (COPD). Twenty-four adults with severe COPD and sleep difficulties each tried the raised position and t…

This study tested a dietary supplement called Speed Sleep in 60 adults aged 18-65 who have trouble sleeping. Participants took either the supplement or a placebo daily for 4 weeks. Sleep quality and quantity were measured using Fitbit trackers and questionnaires.

This study tested an early sleep facilitation program for preterm infants and their caregivers. The program includes sleep training in the hospital and guidance for caregivers after discharge. Researchers measured infant sleep, health, and caregiver stress, sleep, quality of life…

This completed trial tested PeptiSleep, a plant-based supplement made from rice protein, to see if it improves sleep quality in healthy adults. 120 participants took either PeptiSleep or a placebo daily for 6 weeks while wearing a sleep tracker and completing surveys. The study m…

This study tested a cognitive behavioral therapy (CBT) course for insomnia in 73 adults who also have a chronic physical illness like arthritis, heart disease, or cancer. The therapy focused on changing sleep habits and thoughts about sleep. Results showed that the course helped …

This study looked at whether taking a whey protein supplement twice a day helps adolescent soccer players improve their performance, recover faster, and change body composition during a 10-12 week competitive season. Thirty-one high school players aged 13-18 took either the prote…

This completed study tested whether progressive relaxation exercises could help patients sleep better after urological surgery. Two adults aged 18 or older, with no sleep disorders, practiced tensing and relaxing muscles while focusing on breathing. The goal was to see if this si…

This study tested whether laughter yoga could help women in menopause who struggle with brain fog, low mood, and poor sleep. 97 women were split into two groups: one did 8 sessions of laughter yoga over 4 weeks, and the other did nothing. Researchers measured brain fog, psycholog…

This study tested whether pillows filled with herbs can improve sleep and quality of life. Thirty healthy adults used the pillows for two weeks while wearing a sleep monitor and filling out questionnaires. The goal was to see if a simple, natural approach could help people sleep …

This study tested a program called SIESTA-Rehab to help stroke patients sleep better during their hospital stay. The program included training nurses to reduce nighttime disruptions and a plan to check for and treat sleep apnea. Researchers studied 400 adults in a rehab hospital …

This study looked at whether aromatherapy (lavender oil foot massage) and reflexology (pressing specific points on the feet) could reduce pain and improve sleep in 90 children with cerebral palsy, aged 6 to 12. Children were split into three groups: aromatherapy, reflexology, or …

This study tested whether a gentle, light-touch therapy (therapeutic touch) could help advanced cancer patients in palliative care sleep better and feel less tired. Sixty-one patients were randomly assigned to receive either 5 days of 10-15 minute touch sessions or standard care.…

This study tested whether Eschscholzia tablets, a herbal product, can help adults with insomnia sleep better. 104 people took either the tablets or a placebo for 4 weeks, and neither they nor the researchers knew who got which. The goal was to see if the tablets improve sleep qua…

This study tested a sleep improvement program designed for both people with Alzheimer's disease and the family members who care for them. The program was tailored to address sleep problems in both the patient and caregiver at the same time. The goal was to see if this approach co…

This study tested a dietary supplement called NP-2006 in 48 healthy adults who had mild, ongoing sleep troubles (subclinical insomnia). Participants took either the supplement or a placebo pill daily before bed for 4 weeks. Researchers measured sleep quality and daytime sleepines…

This study tested whether a three-week aerobic exercise program could reduce PTSD symptoms and improve sleep in 82 adults who survived the February 2023 earthquake in Turkey. Participants were randomly assigned to either supervised exercise sessions or a control group. Researcher…

This study tested a short behavioral sleep program called Sleep Well! for children ages 1 to 5 in urban primary care clinics. Researchers wanted to see if families would find it useful and stick with it. The program included healthy sleep advice and tips to improve bedtime habits…

This study tested whether a 10-minute daily mindfulness session via a smartphone app could improve sleep and lower stress in healthy adults. 81 participants wore an Ōura Ring to track sleep and heart rate, and were randomly assigned to either the mindfulness program or a waitlist…

This study tested whether a combination of morning blue light and evening red light therapy could improve sleep in 20 adults with mild sleep complaints. Participants wore a wrist device to track sleep during a normal week and then during a week of light therapy. The goal was to s…

This study tested whether a daily mix of plant protein and two herbs (ashwagandha and rhodiola) could improve sleep in 100 adults aged 35-70 with sleep troubles. Participants took either the supplement or a placebo for 30 days and reported their sleep quality daily. The goal was …

This study tested different doses of light therapy to see which works best for improving sleep in people with Parkinson's disease. 203 participants used either bright-white or dim-red light boxes at different times of day. The goal was to find the most effective dose to ease slee…

This study tested whether a physical activity program delivered via telehealth could improve sleep in children with autism spectrum disorder (ASD) and reduce stress for their parents. 160 children aged 8-12 and their caregivers took part from home, using activity trackers and que…

This completed study tested four different nutritional supplements against a placebo to see if they could improve sleep quality in healthy adults. A total of 376 people took part over 12 weeks. Researchers measured sleep quality, daytime function, and related symptoms like insomn…

This study tested whether acupressure—a gentle finger-pressure technique on specific body points—could improve sleep, quality of life, and reduce hopelessness in older adults living in a nursing home. Fifty people aged 65 and older took part, with half receiving acupressure three…

This study tested a stepped-care telehealth program for cancer survivors living in rural areas who experience anxiety, depression, or sleep problems. Participants received either low-intensity check-ins or high-intensity phone therapy with a licensed therapist, depending on sympt…

This study tested whether a specially designed sleep cap could help infants in the neonatal intensive care unit (NICU) sleep longer and stay more stable. Fifty-three newborns over 32 weeks gestation wore the cap from 7 PM to 7 AM for three days while their sleep, heart rate, brea…

This study tested whether virtual reality relaxation or binaural beat stimulation can improve sleep and reduce discomfort in 140 adults who had mechanical heart valve replacement. Many patients struggle with sleep due to the sound of the new valve. Participants were randomly assi…

This study tested whether therapeutic touch — a gentle, non-invasive technique — can reduce pain, delirium, and improve sleep in 80 intensive care patients. Researchers measured pain, sedation, sleep quality, and vital signs like blood pressure and heart rate. The goal was to see…

This study tested a special sleep program for teenagers with ADHD who also have sleep problems. The program combines cognitive behavioral therapy with sleep tips and planning skills. Researchers wanted to see if better sleep could also improve ADHD symptoms and daily life. The st…

This study tested a mobile health (mHealth) program designed to help people who have had a stem cell transplant for blood cancer get better sleep. Researchers wanted to see if the program was easy to use and if participants liked it. About 30 survivors, caregivers, and doctors ga…

This study tested an herbal compound in 108 adults who had trouble sleeping and tinnitus (ringing in the ears) but did not want to take sleeping pills. Participants took either a low dose, high dose, or placebo daily for 3 months. Researchers measured changes in sleep quality and…

This study tested whether wearing a light-blocking eye mask at night (11 p.m. to 5 a.m.) could improve sleep quality and melatonin levels in 60 intensive care unit patients. Participants were randomly assigned to either wear the mask or receive standard care. Sleep quality was me…

This study tested a daily dietary supplement designed to improve sleep in women aged 40 to 65 going through menopause. 128 women with moderate sleep problems were randomly assigned to take either the supplement or a placebo for about three weeks. Sleep quality, nighttime awakenin…

This study tested whether inhaling lemongrass (as a vapor or from an inhaler) could reduce nicotine dependence and improve health markers in 200 adult smokers aged 18–30. Participants used lemongrass products or nothing (control) and provided blood samples and questionnaires. The…

This study tested whether a headband called Muse-S, which senses brain activity, could help midlife women with sleep problems like insomnia. Thirty-one women going through menopause wore the device at home. The goal was to see if it was practical and if it improved sleep quality …

This study tested whether an Apple Watch paired with a special app and weekly health coaching could help dementia caregivers improve their sleep and mood. Twenty-one caregivers wore the watch to track their activity and sleep, and received personalized feedback and motivational c…

This study tested whether a digital program called Sleepio, which provides cognitive behavioural therapy for insomnia, could be used by people with mild cognitive impairment or mild dementia. Thirty participants were enrolled to see if the program was acceptable and easy to use. …

This small pilot study tested whether cannabis oil (with different ratios of CBD to THC) could help with insomnia in people who also have major depression. Fourteen adults took either a high-CBD oil, a low-CBD oil, or a placebo for a short time. The main goal was to see if a larg…

This study tested different treatments for sleep problems caused by Long COVID. It included 830 adults who had COVID-19 and now have trouble sleeping or feel very sleepy during the day. The goal was to see if treatments matched to specific sleep issues could help people feel bett…

This study tested a special sleep program for 40 people who recently lost their spouse or long-term partner. The program used online sessions to teach better sleep habits and was compared to just giving information. The goal was to see if it could improve sleep and reduce inflamm…

This study looked at whether placing small tubes in the ears of children aged 1-4 with chronic ear fluid (otitis media with effusion) improves their sleep and quality of life. Sixty children were randomly assigned to either receive ear tubes or not. Sleep was measured with a wris…

This study tested whether interactive game-supported sleep hygiene training could improve sleep quality, menopausal symptoms, and quality of life in menopausal women. 82 women aged 40-60 with poor sleep took part. They received four sleep hygiene lessons paired with a digital gam…

This study tested an online insomnia treatment program for adult survivors of childhood cancer. Over 1,500 survivors participated, using a web-based program that teaches healthy sleep habits and cognitive behavioral techniques. The goal was to see if improving sleep could also bo…

This study tested whether taking rosemary and daylily extracts can improve sleep in adults over 50 who have trouble falling asleep. Ten participants took either a low or high dose of the herbal supplement or a placebo for eight weeks. The goal was to see if the supplements could …

This study tested whether using virtual reality (VR) during wound dressing changes can reduce pain and improve sleep in adults with moderate to severe burns. Sixty patients took part, and the researchers compared VR to standard care. The goal was to see if VR could make a painful…

This study looked at whether a physiotherapist-given baby massage could help infants aged 0-6 months sleep longer and strengthen the emotional bond with their mothers. Twenty-four healthy full-term babies received classical massage. Researchers measured sleep quality and mother-b…

This study tested whether acupressure—a gentle finger-pressure technique on specific body points—could improve sleep in elderly people living in care homes. 75 residents took part, with half receiving 12 acupressure sessions over four weeks. The results showed that those who rece…

This study looked at whether doing tai chi for 24 weeks can improve sleep in college students with insomnia. 90 students were split into three groups: tai chi, brisk walking, or no exercise. The researchers measured sleep quality using a standard questionnaire and also checked le…

This study tested whether a dietary supplement called Radicle Revive can improve stress, sleep, and menopause-related issues in 500 perimenopausal women aged 40 and older. Participants took either the active supplement or a placebo for 6 weeks. The trial is complete, but results …

This study tested an online program called ALDER that teaches older adults skills to boost positive emotions and reduce anxiety. 33 people aged 65 and older who used benzodiazepines (anti-anxiety or sleep medications) at least twice a week took part. Over 5 weeks, they learned an…

This study tested a non-drug treatment called Personalized Integrated Chronotherapy (PIC) for depression during pregnancy and after childbirth. 120 pregnant women with major depression were randomly assigned to receive either usual care (medication or therapy) or PIC plus usual c…

This study looked at 558 adults with mild to moderate sleep apnea who also don't get enough sleep. Researchers compared two programs: one focused on improving use of a PAP machine, and another on sleep education. The goal was to see which works better for reducing daytime sleepin…

This study looked at whether esketamine or remimazolam, two drugs used during egg retrieval, could help reduce sleep problems and anxiety the night after the procedure. 315 women aged 18-45 took part. The main goal was to see which drug led to better sleep quality on the first ni…

This study tested whether a daily capsule of betalains from red beetroot can improve blood vessel function, sleep, and quality of life in healthy adults aged 40 to 65. Forty-two participants took either the betalain supplement or a placebo for one month, then switched. Researcher…

This study tested a sleep and circadian treatment (TranS-C) for people with severe mental illness (SMI) in community mental health centers. The treatment was adapted to better fit these settings. Researchers looked at whether it improved sleep, daily functioning, and symptoms in …

This study tested two versions of a sleep treatment for people with severe mental illness in community mental health centers. One version was the standard treatment, and the other was adapted to better fit patients' needs. The goal was to see if training clinic staff to deliver t…

This study tested whether certain health and wellness products can help people sleep better. Over 1,600 adults who wanted better sleep took either a product or a placebo (fake product) without knowing which they got. The study measured changes in sleep, anxiety, and fatigue using…

This study tested a special candy containing tea theanine, casein hydrolysate, and saffron extract in 171 Chinese adults aged 20-55 with mild sleep problems. Participants took the candy or a placebo for 28 days, and researchers measured changes in sleep quality, stress, mood, and…

This study tested a new once-nightly medication called FT218 for people with narcolepsy who experience excessive daytime sleepiness and sudden muscle weakness (cataplexy). It included 184 participants, some already on a twice-nightly medication and some new to treatment. The goal…

This study tested a steroid nasal spray (mometasone furoate) in 130 children aged 3-12 who snore and have sleep-disordered breathing. The goal was to see if the spray could relieve symptoms enough to avoid surgery to remove tonsils or adenoids. Children used the spray daily for 6…

This study tested two online programs—cognitive behavioral therapy (CBT) and mindfulness—to help adults cope with the distress caused by tinnitus (ringing in the ears). 67 participants were randomly assigned to one of the two treatments or a waiting list. The goal was to see if t…

This study tested a proprietary blend of botanical extracts against melatonin in 89 healthy women aged 35-55 who reported poor sleep. Participants took either the botanical supplement or 1mg of melatonin each night before bed. The goal was to see if the botanical extract could im…

This study tested a powdered sleep supplement called BEAM Dream Powder in 40 adults who had trouble sleeping. For two weeks, participants took a placebo, then switched to the real powder for four weeks. Researchers used sleep questionnaires and Fitbit trackers to see if the powde…

This study tested three types of medicinal cannabis oil (with different levels of THC and CBD) against a placebo in 91 cancer patients. The goal was to see which oil, if any, helps with pain, nausea, anxiety, and sleep problems. Each patient tried multiple oils and a placebo in a…

This study tested a pair of smart glasses called Lumos Glasses that control how much blue light reaches your eyes. The glasses provide bright blue light during the day and block it at night to support your body's natural sleep-wake cycle. Researchers wanted to see if wearing thes…

This study tested a combination of dynamic light therapy, sound masking, and changes to nighttime care routines in 56 ICU patients recovering from critical illness. The goal was to see if these environmental changes could improve sleep quality and quantity, measured by brain wave…

This study tested whether bright light in the afternoon, alone or with morning light, can shift teens' internal body clocks earlier. 84 adolescents aged 18-20 followed a stable sleep schedule and then lived in a lab for a week. Researchers measured melatonin levels to track clock…

This study looks at how changing sleep patterns affects eating behavior and self-control in 120 children who are overweight or at risk for obesity. Researchers will monitor sleep, brain activity, and real-world eating to understand the link between sleep and weight gain. The goal…

This trial asks whether the 'first-night effect'—poorer sleep in an unfamiliar place—impairs next-day strength and muscular endurance, and whether men and women respond differently. Thirty-two resistance-trained adults (16 women, 16 men) will sleep 8 hours at home and 8 hours in …

This study investigates whether sleep duration and timing influence nicotine dependence, cravings, and withdrawal differently in Black and white smokers. Researchers will compare daily smokers and non-smokers, monitoring sleep with an Actiwatch and having participants undergo a s…

This study looks at whether following simple sleep hygiene tips—like keeping a consistent schedule and a cool, quiet bedroom—can help orthopedic surgeons recover strength and mental sharpness after performing surgery. Researchers will measure handgrip strength, sleep quality, str…

This study investigates how the brain learns to recognize patterns across experiences and how sleep helps solidify those memories. Healthy adults aged 18-35 will perform learning tasks while their brain activity is monitored using MRI and EEG. The researchers will also use sound …

This study investigates whether partial sleep deprivation, compared with normal sleep, changes metabolic and cognitive functions related to food intake, hunger, and memory. Healthy young men aged 20-28 will undergo both sleep conditions in a controlled setting, with blood samples…

This study looks at how melatonin from lotions and bubble baths enters the body compared to traditional oral tablets. Researchers will measure melatonin levels in saliva after use to see how quickly it is absorbed and how long it stays in the system. The trial involves healthy un…

This study investigates whether playing sounds associated with learned images during sleep can improve memory by reactivating the context (like location or time) in which the images were learned. Healthy adults will learn image-scene associations, then nap while related sounds ar…

This study tests whether spending less time in bed for four weeks can deepen sleep and boost memory in adults aged 65-85 who have poor sleep and are at risk for Alzheimer's. Researchers will measure brain activity, memory, and blood markers. The goal is to see if a simple behavio…

This study looked at how two types of exercise—high-intensity interval training (HIIT) and continuous moderate exercise—affect sleep and inflammation in 52 older adults with HIV. Participants exercised three times a week for 16 weeks. Researchers measured sleep quality through su…

This study looks at how getting too little sleep and not putting weight on one leg affects muscle strength and balance. Healthy adults who exercise regularly will walk on one leg and sleep either 5 or 9 hours for three days. Researchers will measure muscle size, strength, and how…

This study investigates why people develop obstructive sleep apnea (OSA) and whether the underlying cause affects how they respond to different treatments. Researchers will test three approaches—CPAP, a sleep medication (eszopiclone), and supplemental oxygen—in adults with OSA. T…

Sleep problems affect up to 90% of people with alcohol dependence and often lead to relapse. This study tests whether a short questionnaire called the Short Sleep Index (SSI) can reliably measure sleep quality compared to a longer, standard sleep questionnaire. Researchers will a…

This study compared 80 women with and without fibromyalgia to measure muscle strength, muscle thickness, vitamin D levels, and sleep quality. Researchers used advanced tools like isokinetic dynamometers and ultrasound to find differences between the groups. The goal was to better…

This study tested whether helping people sleep longer (through sleep hygiene and extending sleep time) could lower their blood pressure during sleep. 66 adults who slept less than 7 hours per night took part. Researchers measured blood pressure during sleep and awake periods at t…

This early study tested whether a small electrode placed near the nerve that controls tongue movement could help people with obstructive sleep apnea. Fourteen adults who already needed surgery took part. The main goal was to see if the approach was safe and could make the tongue …

This study tested whether stimulating certain nerves or muscles in the throat can improve breathing in people with obstructive sleep apnea. Researchers placed temporary electrodes and measured airflow during sleep in 35 adults. The goal was to see if this approach is feasible and…

This early study tested whether a small electrode placed near the tongue nerve could be safely used in people with obstructive sleep apnea. 14 adults who could not use CPAP took part. The goal was simply to see if the nerve could be reached and stimulated, not yet to treat the co…

This study looked at whether being physically active can lessen the negative effects of poor sleep on the heart, thinking, and well-being. Researchers compared active and sedentary adults before and after three nights of reduced sleep. The goal is to understand if regular aerobic…

This study tested a medical device called CAVA that uses electrodes on the face to record eye movements during sleep. Nine volunteers wore the device along with standard sleep monitoring equipment in a sleep lab. The goal was to see if CAVA could accurately classify sleep stages …

This study tested a special bassinet designed to keep mother and baby together safely after birth. 160 new mothers used either the new Couplet Care bassinet or a standard one. Researchers surveyed mothers about sleep, breastfeeding, and satisfaction, and reviewed medical charts. …

This study looked at how using a tablet in the evening affects young children's sleep and thinking skills. Researchers compared kids who used a tablet before bed with those who had no screen time. They measured changes in sleep timing, melatonin levels, and executive function. Th…

This study examined whether older adults with disrupted sleep or irregular daily rhythms show early brain changes linked to Alzheimer's disease. Researchers used wrist-worn activity monitors and brain MRI scans in 47 people over 65 without major memory problems. The goal was to s…

This completed study looked at whether practicing Orgasmic Meditation (OM) is associated with better sleep quality. 41 experienced OM practitioners tracked their sleep using a phone app for 30 nights. The study aimed to see if more OM sessions or experiencing orgasm during practi…

This study looked at whether a 15-minute meditation practice called Shoonya meditation can help people stay sharp after a night without sleep. Researchers compared regular meditators to people who nap regularly, measuring brain activity, heart rate, and cognitive performance. The…

This study looked at 40 healthy women ages 18-35 to see if different phases of the menstrual cycle affect walking patterns, pelvic movement, and sleep quality. Participants were tested during early follicular, ovulation, and luteal phases using a special walkway sensor and a slee…

This study looked at 194 university students aged 18-30 to see how smartphone and digital game addiction relates to physical activity, sleep quality, stress, fatigue, and muscle or joint pain. Participants filled out questionnaires about their habits and health. The goal is to un…

This completed study looked at sleep problems in over 1,100 children and adults with specific learning disabilities (like dyslexia or dyspraxia), with or without ADHD. Participants filled out online questionnaires about their sleep habits. The goal was to find out how common diff…

This study looked at whether a 30-minute daytime nap can help mentally tired endurance athletes feel better and think more clearly. Eleven male amateur athletes completed two sessions: one where they did mentally tiring tasks before napping, and another where they just napped. Re…

This study tested whether a 20-minute session of gentle brain stimulation (tDCS) before an afternoon nap could improve sleep patterns linked to memory and thinking in healthy adults aged 60 and older. Twelve participants completed computer tasks, received either real or fake tDCS…

This study tested whether playing short sound bursts in sync with brain slow waves during sedation with dexmedetomidine can enhance sleep-like brain activity. 18 healthy adults each experienced in-phase, anti-phase, and sham stimulation in repeated blocks. The goal was to see if …

This completed study in Norway looked at whether delaying school start times by one to two hours on Mondays and Tuesdays helps high school students sleep longer, feel less sleepy during the day, and improve their mental health and grades. Over 580 first-year students participated…

This study tested whether smartphone notifications could improve mood, physical activity, and sleep in over 1,000 medical interns. Participants received daily mood, activity, or sleep notifications through a mobile app. The study measured mood scores, step counts, sleep duration,…

This study looked at whether using a wearable device (like a fitness tracker) along with social media can help adults become more active and sleep better. 75 adults who had never used a wearable device before took part. The researchers measured changes in physical activity and sl…

This study tested a mobile app designed to help teenagers with asthma learn about healthy sleep habits. 120 teens aged 14-17 with asthma used the app or were in a comparison group. Researchers measured changes in sleep knowledge, confidence, and daytime sleepiness to see if the a…

This study looked at whether a wearable device (Xiaomi Mi Band 8) can accurately detect sleep-related breathing disorders. About 300 adults wore the band during a standard overnight sleep test. Researchers compared the band's sleep-stage data with the hospital test to see if wear…

This study looked at how sleep health impacts recovery quality in 174 adults after hip or knee replacement surgery. Participants wore activity monitors and kept sleep diaries to track their sleep patterns. The goal was to see if poor sleep leads to worse recovery, helping doctors…

This study looked at how children ages 8 to 17 use smartphones and tablets, including social media and games, and how that relates to their mental health, sleep, and physical activity. Over 900 children and their parents used the Aura app and completed surveys for three months. T…

This study tested a computer system designed to help doctors more accurately diagnose and manage complex brain disorders like dementia, epilepsy, and sleep problems. Researchers collected health data from 635 people visiting specialty clinics, including healthy volunteers, to see…

This study placed 15 healthy volunteers in a natural cave with no access to time cues for 40 days. Researchers measured how their sense of time, sleep cycles, stress levels, and group coordination changed. The goal was to understand how humans adapt to extreme isolation and time …

This study tested a sleep program for 4-6 year olds in their last year before kindergarten. The program included activities at school and online materials for parents. The goal was to see if the program was easy to use and if it helped children sleep better. 98 children took part…

This study tested whether using an indoor air purifier changes health measures like heart rate, sleep, and oxygen levels. 42 healthy adults wore Apple Watches while using a real or fake (sham) air purifier at home. The goal was to see if cleaner air makes a short-term difference …

This study looked at whether infants aged 6 to 9 months with joint hypermobility (very flexible joints) have different sleep patterns than other babies. Researchers used a parent questionnaire to compare sleep duration, night wakings, and sleep problems between 60 infants with an…

This study looked at how a pill form of THC (dronabinol) affects sleep and thinking in 18 adults. Some participants used cannabis frequently (more than 3 times a week), while others rarely used it (less than 10 times ever). Researchers measured sleep stages, alertness, memory, an…

This study tested whether a personalized online program delivered through WeChat could help college students better balance their time across physical activity, sleep, and sitting. Fifty students aged 18-25 who did not meet healthy movement guidelines were randomly assigned to re…

This study looked at whether sleeping at least an hour more each night for a week could help college students handle pain better. Thirty-six healthy young adults wore watches to track sleep and heart rate, and took pain tests (pressure and cold) before and after the sleep change.…

This study looked at how well smartphone apps and a special ring (Belun Ring) can measure sleep quality in adults getting braces or other orthodontic treatment. 52 people from Case Western Reserve University's dental clinic took part. They answered sleep questionnaires and used t…

This study examined 180 young adults to see if the ratio of their index to ring finger length (2D:4D) is linked to joint hypermobility (being double-jointed). The idea is that this finger ratio may reflect hormone levels before birth. Researchers measured joint flexibility using …

This completed study looked at how common poor sleep is after a C-section when spinal morphine is used for pain relief. Researchers followed 286 mothers and measured sleep quality, pain, nausea, and itching on the first night after surgery. The goal was to understand which factor…

This study looked at how the timing of sleep affects what teenagers eat. Researchers wanted to understand why getting more sleep helps some teens eat less, but not others. They studied 190 healthy teens aged 14-18 to see if matching sleep to their natural body clock improves thei…

This study looked at how sleep and diet affect performance in 38 Columbia University baseball players. Researchers measured sleep quality, food intake, and athletic skills like batting and pitching speed. The goal was to understand these links and later test ways to improve them.

This study looked at whether eating the fast-digesting carbs at the end of a meal (instead of at the start) changes blood sugar levels in 22 elite female athletes. Over 6 days, participants wore a continuous glucose monitor and followed different meal sequences for breakfast and …

This study tested whether a short power-nap (less than 30 minutes) can help anesthesiology residents perform better after working night shifts. 44 residents took part in high-fidelity simulations to measure their technical and non-technical skills. The goal was to see if napping …

This study looked at how not getting enough sleep affects blood pressure and feelings of discrimination in 77 African American adults. Participants underwent sleep restriction and had their heart health measured during social tasks. The goal was to understand links between sleep,…

This study looked at how race-based social rejection impacts sleep and nighttime heart function. About 139 African American and Caucasian adults spent two nights in a sleep lab—one after a rejection task and one after a neutral task. Researchers measured how quickly they fell asl…

This study looked at how long-term lack of sleep affects heart health and weight in women. Researchers compared premenopausal and postmenopausal women to see if sleep loss raises blood pressure, blood sugar, and belly fat. The goal was to understand if sleep is more important for…

This study looked at whether being exposed to artificial light at night, along with not getting enough sleep, harms how the body handles blood sugar more than just lack of sleep alone. Fourteen healthy adults stayed in a lab for over a month while their sleep and light exposure w…

This study tested a wearable system that records brain waves and delivers gentle ultrasound to deep brain areas during REM sleep. Fifty-two healthy adults and people with mild sleep or stress issues wore the device for two nights. The goal was to see if it safely increases REM sl…

This study looked at how disrupted sleep changes the way healthy adults feel pain and move their joints. Thirty participants received painful injections in the knee and shoulder after a night of fragmented sleep. Researchers measured pain intensity and movement patterns to unders…

This study looks at how disrupted sleep changes the way common drugs (like painkillers, stimulants, and sedatives) work in the body. Researchers will disturb the sleep of 148 healthy adults in a lab and then measure how their brains respond to these drugs, including pain relief a…

This study looked at 20 adults with short bowel syndrome who rely on home parenteral nutrition. Researchers compared giving the nutrition overnight versus during the day to see if timing affects blood sugar levels and sleep quality. Participants wore glucose monitors and activity…

This study tested a 12-week family program to help children and their parents move more, sit less, and sleep better. The program included weekly digital tips and three in-person activity sessions. Researchers measured changes in physical activity and fitness in 136 parent-child p…

This study looked at whether a personalized meal plan with more omega-3 fatty acids (found in fish) could reduce fatigue, pain, depression, sleep problems, and stress in women who finished treatment for early-stage breast cancer 1-2 years earlier. Researchers enrolled 98 women an…

This completed study looked at 100 people with jaw deformities to see if they have sleep problems and how their body posture and breathing are connected. Participants had sleep tests and posture measurements before and after corrective jaw surgery. The goal was to better understa…

This study looked at how lack of sleep and evening light exposure affect the body clocks of teenagers aged 14 to 17. Researchers used morning bright light to try to shift teens' sleep schedules earlier. They measured changes in melatonin levels and sleep patterns to understand wh…