Circadian rhythm disorders

This study looked at 61 night workers aged 20-55 to understand how their sleep patterns relate to attention and heart rate. Participants took ramelteon (Rozerem), a drug similar to melatonin, for two weeks. Researchers measured changes in sleep quality, anxiety, and depression us…

This study tested whether a desk lamp that gives off near-infrared light can help people who feel sleepy or down during the day. Eighty healthy adults aged 25 to 65 used the lamp at their desk for two weeks. Researchers checked changes in mood, drowsiness, sleep quality, and bloo…

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 aims to translate and validate a French version of the Sleep Regularity Questionnaire (SRQ), a tool that measures how consistent a person's sleep schedule is. Researchers will enroll 50 adults with chronic insomnia or circadian rhythm disorders, who will fill out the q…

This study looked at whether people with binge eating disorder have a disrupted body clock. Researchers compared 43 adults with and without the condition, measuring melatonin levels and activity patterns. The goal was to understand how the circadian system might be involved, whic…

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 blood sugar levels affect sleep in 30 adults with cystic fibrosis-related diabetes. Participants wore devices at home to track glucose and sleep for 10 days. The goal was to see if this kind of remote monitoring is practical and to gather early …

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…