Sleep-wake disorder

This study tested whether a 3-year physical activity program could help prevent colon cancer from coming back in 889 patients who had surgery and chemotherapy for high-risk stage II or stage III colon cancer. Participants were randomly assigned to either the exercise program plus…

This early-stage study tested whether a brief therapy program plus a mobile app could help pregnant and postpartum women stay on their buprenorphine medication for opioid use disorder. Fifteen pregnant women took part, attending therapy sessions and using the app for up to 9 mont…

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 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 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 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 study tested whether a Persian-language internet program called Omid, based on cognitive behavioral therapy, can improve sleep in adults with insomnia. Thirty participants were randomly assigned to use the program or receive usual care. The program includes weekly online les…

This study looks at whether Tai Chi, a gentle moving meditation, can improve chronic insomnia in breast cancer survivors. About 90 women who have completed cancer treatment and have had trouble sleeping for at least 6 months will practice Tai Chi. Researchers will measure sleep q…

This trial tests whether taking magnesium can reduce stress in people with fibromyalgia, a condition marked by widespread pain and fatigue. Participants will be randomly assigned to receive magnesium or a placebo, and researchers will measure stress levels along with pain, sleep,…

This Phase 1 trial evaluates the safety and tolerability of MMH-450, an experimental tablet that dissolves under the tongue, in 18 healthy adults aged 18 to 45 with normal sleep habits. Participants take the drug daily for 7 days while researchers monitor for side effects. The st…

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 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 tests an oral drug called SDX (serdexmethylphenidate) to see if it safely reduces excessive daytime sleepiness in adults with idiopathic hypersomnia, a condition where people feel extremely sleepy during the day despite getting enough sleep at night. Participants will …

This study tests whether repeated acupressure can help reduce agitation, pain, and sleep disturbances in intensive care unit (ICU) patients who are on mechanical ventilators. Participants receive either real acupressure or a light touch (sham) twice daily for four days. Researche…

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 breathing exercises plus lavender essential oil can reduce job burnout and improve sleep in nurses who work rotating shifts. 70 nurses took part. The goal was to see if this simple, drug-free approach could help them feel less exhausted and sleep bett…

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 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 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 phase 2 study tested an experimental drug called ALKS 2680 in 93 adults with narcolepsy type 2, a condition causing severe daytime sleepiness. Participants took either the drug or a placebo daily to see if it safely improved their ability to stay awake. The trial is now comp…

This early study tested a product called Chenghuang Circadian Rhythm Regulator in 15 adults with ongoing sleep problems. The goal was to see if it could improve sleep quality and immune markers. Results are not yet reported, but the study was small and had no comparison group.

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 whether two types of gentle exercise—stretching or traditional pregnancy exercises—could improve sleep quality in pregnant women during their third trimester. Sixty women with sleep troubles took part in guided sessions twice a week for three weeks. The goal was…

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 a mobile app called SleepFix that provides digital behavioral therapy for insomnia in 128 older adults aged 50+ who also had mild memory concerns. Participants either used the app or received online sleep health education. The goal was to see if the app could re…

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 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 different doses of melatonin to see which one best improves sleep quality in autistic children aged 3 to 12 who have trouble sleeping. Researchers measured things like how long it takes to fall asleep, total sleep time, and number of night awakenings using sleep…

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 looked at nearly 2,000 people from the community to understand how depression, anxiety, and migraine are passed down through families. Researchers interviewed family members of all ages, including children as young as 8, to track patterns of these conditions over time.…

This study looked at how sleep quality and beliefs about sleep affect the risk of relapse in people recovering from alcohol dependence. Researchers followed 198 adults as they left inpatient rehab and returned home, measuring sleep with questionnaires and activity monitors. The g…

This study looked at how having fibromyalgia changes body measurements and sleep patterns in people with obstructive sleep apnea. Researchers measured neck, waist, and hip sizes, and used sleep tests and ultrasound to compare 77 participants. The goal was to better understand the…

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 explored sleep disorders in 37 adults with non-small cell lung cancer. Participants filled out questionnaires about their sleep, symptoms, mood, and quality of life. The goal was to create a guide to help doctors diagnose and treat sleep issues in this group, ultimatel…

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 62 children with cerebral palsy (ages 2-18) and their primary caregivers to understand how the children's sleep problems relate to caregiver burden and mental health. Researchers used questionnaires to measure sleep quality in both children and caregivers, al…

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 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 completed Phase 1 study looked at whether obstructive sleep apnea (OSA) might contribute to Alzheimer's disease. Researchers studied 182 older adults aged 65-85 with and without OSA, using brain scans and breathing tests. The goal was to understand how sleep disruptions like…

This study looked at 38 adults who usually sleep less than 6 hours a night. Researchers helped them increase their sleep to the recommended 7 hours and measured changes in blood chemicals and insulin sensitivity. The goal was to find biological markers that can tell if someone is…

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 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 completed study looked at how consistently 300 obese adults (BMI over 30) used positive airway pressure therapy for sleep-disordered breathing. Researchers tracked whether patients used the device at least 4 hours per night for 70% of nights within the first 90 days and agai…

This study looked at 134 adults with chronic sinusitis to see if sleep problems and daytime tiredness predict declines in thinking skills and daily functioning. Participants filled out questionnaires about their symptoms and quality of life. The goal was to better understand how …

This completed study from Istanbul University looked at 64 obese adults to see if obesity hypoventilation syndrome (OHS) causes extra problems beyond obesity alone. Researchers measured exercise capacity, muscle strength, sleep quality, and quality of life. The goal was 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 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…