SLEEP

This study tested whether a physical activity program delivered by mail and phone could help nearly 50,000 older women prevent heart attacks, strokes, falls, and hip fractures. Participants received exercise guides and tips to increase their daily activity. The goal was to see if…

This study tested a program called Generation Healthy Kids in 24 Danish schools with over 1,300 children aged 6-11. The program included changes at school and in the community to promote healthy eating, physical activity, sleep, and less screen time. The goal was to help children…

This study tested whether including fathers in parenting support during pregnancy and the first year of life can help prevent childhood obesity and improve health for the whole family. Researchers enrolled 657 parents from diverse backgrounds and randomly assigned them to either …

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. The program focused on healthy eating, physical activity, sleep, and addressing social factors that af…

This study tested whether a combination of morning blue light and evening red light therapy could improve sleep in 20 adults with mild sleep troubles. Participants wore a wrist device to track sleep for 7 days without any changes, then for 7 days while using the light therapy. Th…

This study tested whether certain health and wellness products can improve sleep and related issues like anxiety and fatigue. Over 1,600 adults who wanted better sleep took either the product or a placebo, without knowing which. The goal was to see if the products made a real dif…

This study tested a special sleep program for teenagers with ADHD who also have sleep problems. The program combines cognitive behavioral therapy, motivational interviewing, and planning skills to improve sleep and reduce ADHD symptoms. 92 teens participated, and the study measur…

This study tested an internet-based insomnia treatment for adult survivors of childhood cancer who have trouble sleeping. Over 1,500 participants used a program to improve their sleep, and researchers checked if better sleep also helped their thinking and daily life. The goal was…

This study tested four different nutritional supplements to see if they could improve sleep quality in healthy adults. Over 12 weeks, 376 participants took either a supplement or a placebo pill, and researchers measured sleep disturbances, daytime sleepiness, and insomnia severit…

This study looked at 558 adults with mild to moderate sleep apnea who also get less than 7 hours of sleep most nights. Researchers compared two programs to see which one better reduces daytime sleepiness. The goal is to find the best way to help people feel more awake during the …

This study looked at whether a gentle, non-invasive therapy called therapeutic touch can improve sleep and reduce fatigue in people with advanced cancer who are receiving palliative care. Sixty-one patients took part, with one group receiving 20 minutes of therapeutic touch daily…

This study tested whether a special sleep cap could help newborns in the neonatal intensive care unit (NICU) sleep longer and have steadier heart rates and breathing. Researchers watched 53 stable infants overnight for three nights. The goal was to see if the cap improved sleep a…

This study tested a new approach: teaching menopausal women about good sleep habits through an interactive game instead of a boring lecture. 82 women with poor sleep quality played the game and researchers measured changes in their sleep, menopause symptoms, and overall well-bein…

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 tested a plant-based sleep product against melatonin in 89 healthy women aged 35 to 55 who reported poor sleep. Researchers measured sleep quality using a special scale and data from Apple Watches. The goal was to see if the botanical extract worked better than melaton…

This study tested a behavioral sleep program called Sleep Well! for children ages 1 to 5 in urban primary care clinics. About 103 parent-child pairs took part. The goal was to see if the program was easy to use and helpful for families. Results showed families found it acceptable…

This study tested a sleep program designed for both people with Alzheimer's disease and their caregivers. The goal was to improve sleep quality and reduce negative health effects from poor sleep. The program involved 60 pairs of patients and caregivers, and used wrist monitors an…

This study tested a powder called Dream Powder to see if it improves sleep in adults who have trouble sleeping. Forty participants took a placebo for 2 weeks, then the real powder for 4 weeks. They tracked sleep using a Fitbit and answered questionnaires about sleep quality and e…

This study tested whether taking rosemary and daylily extracts can improve sleep quality in middle-aged adults. Ten people over age 50 with trouble sleeping took the supplements or a placebo for eight weeks. The goal was to see if these herbs help with sleep time, melatonin level…

This study tested a health and wellness product in 500 perimenopausal women aged 40 and older to see if it could improve stress, sleep, and menopause-related issues. Participants took either the product or a placebo, and researchers measured changes in perceived stress and other …

This study tested whether a digital cognitive behavioral therapy program for insomnia (Sleepio) is practical and helpful for people aged 50+ with mild cognitive impairment or mild dementia who also have sleep problems. Thirty participants were enrolled to see if they would stick …

This study looked at whether placing small tubes in the eardrums of children aged 1-4 with chronic ear fluid (glue ear) improves their sleep and quality of life. Sixty children were randomly assigned to get ear tubes or not. Their sleep was tracked with a wrist monitor, and paren…

This study looked at how THC, the active part of cannabis, affects sleep. 18 people who either used cannabis often or rarely took THC pills and slept in a lab. Researchers measured their brain waves, heart rate, and thinking skills to see how THC changes sleep.

This study tested whether a daily capsule of betalains (from beetroot) can improve blood vessel function, sleep, and quality of life in healthy middle-aged adults (ages 40-65). 42 participants took either betalain or placebo capsules for a month, wore fitness trackers, and comple…

This study tested a program that combines physical activity with cognitive training (like brain games) in 66 adults over 65. The goal was to see if it improves sleep and quality of life. Participants used smartphones and were able to exercise. The results help understand how life…

This study tested whether a 10-day smartphone app-based mindfulness program can improve sleep and reduce stress in healthy adults. 91 participants were randomly assigned to either use the mindfulness app daily or join a waitlist. All wore a ring to track sleep and heart rate. The…

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 overall well-being.

This study looked at 20 adults with short bowel syndrome who receive nutrition through a tube at home. Researchers compared giving the nutrition during the day versus at night to see if it improved sleep quality and blood sugar levels. The goal was to find a better feeding schedu…

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). Sixty-seven participants were randomly assigned to CBT, mindfulness, or a waiting list. The goal was to see if …

This study tested whether an Apple Watch, a new app, and weekly health coaching could help dementia caregivers improve their sleep and mood. 21 caregivers wore the watch to track their activity and sleep patterns, and received personalized feedback and support for up to 6 weeks. …

This study looked at whether massage therapy given by a physiotherapist helps babies aged 0-6 months sleep better and strengthens the bond between mother and baby. 24 full-term infants took part. The researchers measured sleep quality and mother-baby attachment using questionnair…

This study tested whether Eschscholzia tablets, a herbal product, can safely improve sleep in adults with insomnia. Over 100 participants took either the tablets or a placebo for 4 weeks without knowing which they received. The goal was to see if the tablets reduce insomnia sever…

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

This study tested a program to improve sleep for 400 stroke patients in rehabilitation. The program trained nurses to reduce nighttime disruptions and screened patients for sleep apnea. The goal was to see if better sleep could improve recovery and daily function.

This study tested a 12-week program for families to help parents and children move more, sit less, and sleep better. About 136 parent-child pairs from three schools in Chile took part. The program included weekly tips by email or WhatsApp and three in-person family activity sessi…

This study looked at how lack of sleep and evening light exposure affect the body clocks of teenagers aged 14-17. Researchers wanted to find out when morning bright light stops helping teens fall asleep earlier. The goal is to understand these patterns so better sleep advice can …

This study looked at how getting more sleep at the right or wrong time of day affects what teenagers eat. Researchers studied 190 healthy teens aged 14-18 to see if sleep timing changes calorie intake and food choices. The goal is to learn how to use better sleep to prevent obesi…

This study placed 15 healthy adults in an underground cave for 40 days with no clocks or natural light. Researchers measured how the group's sense of time, sleep patterns, thinking skills, and teamwork changed in this extreme environment. The goal was to understand how humans ada…

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 gave tips on better sleep habits and nutrition to help players re…

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

This study looked at whether eating carbohydrates at the end of a meal (instead of at the start) changes blood sugar levels in elite female athletes. Twenty-two healthy athletes wore a continuous glucose monitor for 6 days while following different meal sequences. The goal was to…

This study looked at whether being exposed to artificial light at night, on top of not getting enough sleep, harms how the body handles sugar. 14 healthy adults spent over a month in a lab to compare sleep restriction with and without extra light. The goal was to understand how l…

This study looked at how children's use of smartphones and tablets, including social media and games, relates to their mood, sleep, stress, and physical activity. Over 900 children aged 8 to 17 and their parents took part by using the Aura app and completing surveys for 3 months.…

This small study from Stanford tested whether giving a gentle magnetic pulse to the brain during deep sleep could help treat depression. Fifteen adults with major depression who hadn't gotten better with medication took part. The goal was to see if this approach is safe and might…

This study tested whether teaching people who sleep less than 7 hours a night how to improve their sleep could lower their blood pressure while they sleep. 66 adults took part, with some getting sleep tips and others not. The main goal was to see if better sleep leads to healthie…

This study looked at whether a quick nap (under 30 minutes) can help sleep-deprived anesthesiology residents perform better during stressful situations. 44 doctors-in-training took part in high-fidelity simulations after night shifts. Researchers measured their technical and team…

This study looked at whether infants with joint hypermobility (very flexible joints) sleep differently than other babies. Researchers compared sleep patterns in 60 full-term infants aged 6-9 months using parent questionnaires. The goal was to understand if joint flexibility affec…

This study looked at whether the ratio of index to ring finger length (2D:4D) — a marker of prenatal hormone exposure — differs between young adults with and without joint hypermobility. Researchers measured finger lengths and joint flexibility in 180 people aged 18-35. The goal …

This study tested a sleep program for 98 children ages 4-6 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 improve children's sleep.

This study looked at how long-term lack of sleep affects heart health and weight gain in women. Researchers compared premenopausal and postmenopausal women to see if sleep loss leads to higher blood pressure, worse blood sugar control, and more belly fat. The goal was to understa…

This study looked at whether sleeping at least an hour more each night for a week could help college students feel less pain. 36 participants wore watches to track sleep and heart rate, and took tests for pressure and cold pain. The goal was to see if more sleep leads to higher p…

This study looked at how experiencing social rejection based on race affects sleep and nighttime heart function. About 160 African American and Caucasian adults spent two nights in a sleep lab, once after a rejection task and once after a neutral task. Researchers measured how lo…

This study looked at how losing sleep affects blood pressure and feelings of discrimination in 77 African American adults. Participants had their blood pressure and heart activity measured after social tasks. The goal was to understand how sleep and racial discrimination may toge…