CIRCADIAN RHYTHM DISORDERS

This study is testing whether taking a supplement containing a beneficial gut bacterium (Akkermansia muciniphila) and a plant compound (berberine) can improve how the body uses insulin in night-shift workers. Night-shift work often disrupts sleep and eating patterns, raising the …

This study looks at whether being awake between 2:00 and 4:00 AM makes negative mood, poor decision-making, and suicidal thoughts worse. Adults who have had suicidal thoughts in the past six months will be tested in a lab and at home under different sleep conditions. The goal is …

This study aims to understand why people who work night shifts are more likely to become overweight or obese. Researchers will compare 1000 shift workers and day workers across five European countries by analyzing their diet, sleep, and biological samples like blood and saliva. T…

This study aims to translate and validate a French version of the Sleep Regularity Questionnaire, a tool that measures how consistent a person's sleep patterns are. Researchers will enroll 50 adults with chronic insomnia or circadian rhythm disorders. The goal is to provide a rel…

This study looks at whether filtering out blue light at night in hospital rooms can reduce inflammation, protect thinking skills, and improve mood and sleep in 80 adults after elective heart surgery. Participants will have their blood tested for markers of inflammation and heart …