SLEEP

This study tested whether a home-based physical activity program, delivered by mail and phone without in-person visits, could help older women reduce their risk of heart attacks, strokes, broken bones, and falls. About 50,000 women already in the Women's Health Initiative took pa…

This study tested a program to prevent obesity in mothers and their children from pregnancy through age 2. It involved over 1,600 families at community health centers in Boston, focusing on healthy eating, physical activity, sleep, and addressing social needs. The goal was to red…

This study tested a program to help fathers support healthy eating, sleep, and activity for their babies, starting during pregnancy and continuing until the baby's first birthday. Over 650 families from diverse backgrounds took part. The goal was to prevent rapid weight gain and …

This study tested a program called Generation Healthy Kids in 24 Danish schools. Over two school years, the program encouraged healthy eating, more physical activity, better sleep, and less screen time. About 1,372 children aged 6-11 took part. The goal was to see if the program …

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 health and wellness products in 500 peri-menopausal women to see if they help with stress, sleep problems, and fatigue. Participants took either the product or a placebo for a period, and researchers measured changes in stress and menopause-related health issues…

This study tested a special plant-based sleep product against melatonin in 89 healthy women aged 35 to 55 who had poor sleep. Participants wore Apple Watches and filled out sleep and energy questionnaires to track results. The goal was to see if the botanical extract works better…

This study tested whether an interactive game that teaches good sleep habits can help menopausal women sleep better and ease menopause symptoms. 82 women aged 40-60 with poor sleep took part. The game was designed to make learning about sleep hygiene more engaging than traditiona…

This study tested a program combining physical activity and cognitive training in 66 adults over 65. The goal was to see if it could improve sleep quality and overall quality of life. Participants used smartphones and were able to do physical activity. The program was designed by…

This study looked at whether a digital cognitive behavioral therapy program for insomnia (called Sleepio) could work for people aged 50+ with mild cognitive impairment or mild dementia who also have trouble sleeping. The goal was to see if a larger trial is possible by checking h…

This study tested a brief sleep program for depressed teenagers who sleep less than 7 hours on school nights or have irregular sleep schedules. The program included one counseling session and a smartphone app. Researchers wanted to see if the program was easy to use and helpful f…

This study looked at whether therapeutic touch—a gentle, non-invasive technique—can improve sleep and reduce fatigue in people with advanced cancer receiving palliative care. 61 patients took part, with one group receiving 20 minutes of therapeutic touch daily for 5 days, while t…

This study looked at 558 adults with mild to moderate sleep apnea who also don't get enough sleep. Researchers compared two different programs to see which one better reduces daytime sleepiness. The goal is to find the best way to help people feel more awake and improve their dai…

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 whether an Apple Watch, a new app, and weekly health coaching calls could help dementia caregivers improve their sleep and mood. Twenty-one caregivers wore the watch to track their sleep and activity, received personalized feedback, and talked with a coach for u…

This study tested an internet-based program to help adult survivors of childhood cancer who have trouble sleeping. Over 1,500 participants used an online insomnia treatment designed to improve sleep and thinking skills. The goal was to see if better sleep could also boost memory,…

This study tested whether progressive relaxation exercises (tensing and relaxing muscles) could improve sleep quality in people who had urological surgery. Only 2 patients took part, and they used a sleep questionnaire to measure results. The goal was to see if this simple techni…

This study looked at whether massage therapy given by a physiotherapist can help babies sleep better and improve the emotional bond between mother and baby. Twenty-four healthy full-term infants aged 0-6 months took part. Mothers reported on sleep and bonding using questionnaires…

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 whether laughter therapy could help women going through menopause with brain fog, mood, and sleep. 97 women who had entered menopause naturally within the last 3 years took part. They did 8 sessions of laughter yoga over 4 weeks, which included deep breathing, w…

This study tested whether a daily capsule of betalains (natural pigments from beetroot) can improve blood vessel function, sleep, and quality of life in healthy middle-aged adults (40-65 years old). 42 participants took either the betalain capsule or a placebo for one month, then…

This study tested whether a 10-day smartphone app-based mindfulness program can improve sleep and reduce stress in healthy adults. 91 healthy adults were randomly assigned to either a mindfulness group (daily 10-minute guided sessions via the Ōura app) or a waitlist control group…

This study tested four different nutritional supplements to see if they improve sleep quality in healthy adults. Over 12 weeks, 376 participants took either a supplement or a placebo pill daily. The goal was to measure changes in sleep quality, daytime function, and mood.

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 a special sleep cap helps newborns in the Neonatal Intensive Care Unit (NICU) sleep longer and stay more stable. Researchers watched 53 babies over three nights to measure sleep, heart rate, breathing, and oxygen levels. The goal was to see if a simple c…

This study looked at 20 adults with short bowel syndrome who receive nutrition through a tube at home. Researchers compared getting this nutrition at night versus during the day to see if it improved sleep quality and blood sugar levels. Participants wore sensors to track glucose…

This study tested whether sleeping with the head and back raised more than 30 degrees (using an adjustable bed) helps people with advanced COPD sleep better. 24 participants each spent 4 weeks sleeping flat and 4 weeks elevated, and their sleep quality was measured with questionn…

This study tested a sleep-focused therapy for 92 teenagers with ADHD who also had sleep problems. The program combined cognitive behavioral therapy with motivational interviewing and planning skills. Researchers measured sleep quality, ADHD symptoms, and daily functioning before,…

This study tested PeptiSleep, a plant-based capsule, in 120 healthy adults over 6 weeks. Participants took either PeptiSleep or a placebo daily and wore a sleep tracker. The goal was to see if PeptiSleep improves sleep quality, morning alertness, and cognitive function.

This study tested whether a combination of morning blue light and evening red light therapy could improve sleep in adults with mild sleep problems. Twenty participants wore a wrist device to track sleep for 7 days without light therapy, then for 7 days with the light therapy. The…

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 whether a behavioral sleep program called Sleep Well! is practical and liked by families in urban primary care clinics. About 103 parents and their young children (ages 1-5) with sleep problems took part. The goal was to see if families would stick with the prog…

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 special powder called Dream Powder to see if it helps people sleep better. Forty adults with sleep problems took a placebo for 2 weeks, then the real powder for 4 weeks. They wore a Fitbit and filled out questionnaires to track sleep quality and energy levels.

This study looked at how losing a little sleep affects heart health, thinking, and physical performance in active versus sedentary adults. 24 people were split into two groups based on their exercise habits and tested after normal sleep and after three nights of reduced sleep. Th…

This study looked at 47 older adults without major memory problems to see if changes in their sleep/wake cycles are linked to early brain changes that might increase Alzheimer's risk. Researchers used wrist-worn activity monitors and brain scans to measure sleep patterns and brai…

This study tested a special bassinet called the Couplet Care bassinet to see if it helps new mothers and their babies do better in the hospital after birth. Researchers compared it to a standard bassinet by surveying 160 mothers about their sleep, breastfeeding, and satisfaction.…

This study placed 15 healthy adults in an underground cave for 40 days with no clocks or natural light. Researchers measured how their sense of time, sleep patterns, thinking skills, and group teamwork changed. The goal was to understand how people adapt to extreme isolation and …

This study tested how using a tablet in the evening changes the sleep patterns and internal body clocks of 170 preschool-aged children. Researchers measured melatonin levels and sleep timing to see if screen time delays sleep. The goal was to understand the effects of evening med…

This study looked at how the timing of sleep affects what teenagers eat. Researchers wanted to understand why getting more sleep helps some teens (morning types) eat fewer calories and less sugary foods, but doesn't help others (night owls). The goal is to use this knowledge to p…

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

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 period, ovulation, and the week before their period. The goal was to understand no…

This study tested a new device called CAVA that records eye movements during sleep. Nine healthy volunteers wore the CAVA device along with standard sleep monitoring equipment in a sleep lab. The goal was to see if CAVA could accurately tell when people are in REM sleep, non-REM …

This study looked at whether pushing back school start times helps high school students get more sleep, feel less sleepy during the day, and improve their mental health and grades. Over 500 Norwegian teens took part, and researchers measured sleep patterns, daytime sleepiness, an…

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 tested a special sleep program for preterm infants (born before 37 weeks) and their caregivers. The program was designed to improve sleep for both the baby and the parent, and to see if it also helped with the parent's stress, quality of life, and bonding with the baby…

This study looked at sleep patterns in 60 infants aged 6 to 9 months with joint hypermobility (very flexible joints) and compared them to babies without the condition. Parents completed a detailed sleep questionnaire. The goal was to see if joint hypermobility affects how babies …

This study tested whether taking whey protein supplements helps adolescent soccer players improve their performance, recover faster, and change body composition during a 10-12 week competitive season. 31 high school players aged 13-18 took part. The goal was to see if the protein…

This study looked at whether practicing orgasmic meditation (OM) is linked to better sleep. 41 adults who already practiced OM tracked their sleep using an app for 30 nights. The goal was to see if more OM practice or having an orgasm during OM was tied to improved sleep quality.

This study tested whether a smartphone app could improve mood, physical activity, and sleep in over 1,000 medical interns. Participants used the app daily to log their mood and wore a fitness tracker to record steps and sleep. The goal was to see if simple digital tools can help …

This study looked at whether a 15-minute meditation practice called Shoonya can help people stay mentally sharp and maintain healthy sleep patterns after a night of no sleep. Researchers compared regular meditators with non-meditators who nap. The goal was to see if meditation bu…

This study tested whether playing sounds in sync with brain slow waves can deepen sleep-like sedation in 18 healthy adults. Participants received a mild sedative and were exposed to sounds timed with their brain activity, out of sync, or no sound. The goal was to measure changes …

This study tested a sleep program for 98 children aged 4-6 years old who were about to start kindergarten. The program included activities at school and online materials for parents at home. The goal was to see if the program was easy to use and if families liked it, not to measu…

This study tested a program to help stroke patients sleep better while in rehabilitation. The program included training nurses to reduce nighttime disruptions and a plan to check for and treat sleep apnea. Researchers measured sleep quality and recovery progress in 400 adults to …

This study looked at whether being exposed to artificial light at night, along with not getting enough sleep, makes it harder for the body to control blood sugar. Fourteen healthy adults spent over a month in a lab to test this. The goal was to understand how modern lighting habi…

This study looked at how often sleep problems occur in people with specific learning disabilities (like dyslexia or dyspraxia), with or without ADHD. Researchers surveyed over 1,000 children and adults in France using online questionnaires. The goal was to understand which sleep …

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 a 30-minute daytime nap can help mentally tired endurance athletes recover. Eleven male amateur athletes completed two sessions: one with a mental fatigue task before the nap, and one without. Researchers measured sleepiness, mental fatigue, and think…

This study looked at 180 young adults to see if the ratio of index to ring finger length (a marker of prenatal hormone exposure) differs between people with and without joint hypermobility (being double-jointed). Researchers measured finger lengths and joint flexibility using sta…

This study looked at how children's use of smartphones and tablets, including social media and games, is linked to their mental health, sleep, and physical activity. Over 900 children aged 8 to 17 and their parents took part for three months. Researchers used the Aura app to trac…

This study looked at whether eating carbohydrates at the start or end of a meal changes blood sugar levels in 22 elite female athletes. Participants wore a continuous glucose monitor for 6 days and followed different meal sequences. The goal was to understand how meal order affec…

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 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 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 much sleep loss and evening light stop morning bright light from helping teens fall asleep earlier. Researchers tested 88 teens aged 14-17 to find the breaking point where morning light stops working. The goal is to understand how to better align teen bod…

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 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. They then tested a program to improve sleep and diet, aiming to boost recov…

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 study looked at how losing sleep changes the way African Americans experience discrimination and how their hearts and blood vessels respond. 77 adults took part in social tasks while their blood pressure and heart activity were measured. The goal was to understand the link b…

This study looked at whether a short, painless brain stimulation technique called tDCS, given before an afternoon nap, can improve sleep patterns linked to memory and thinking in healthy adults aged 60 and older. Twelve participants completed computer tasks, received either real …

This study tested a 12-week program for parents and children (ages 8 and up) in Chile to improve physical activity, sleep, and fitness. Families received weekly digital tips and attended three in-person activity sessions. The goal was to see if the program increased moderate-to-v…

This study looked at whether sleeping at least an hour more each night for a week can improve how college students feel and handle pain. Thirty-six healthy young adults wore watches to track sleep and heart rate, and took pain tests involving pressure and cold. The goal was to se…