SLEEP

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 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…

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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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…

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 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 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 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 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 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 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 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…