CIRCADIAN RHYTHM

This study explores whether wearable devices can help people with Alzheimer's disease and their caregivers. Twenty participants with dementia and their family caregivers will use a wristwatch that tracks activity and sleep, and some will also try light therapy glasses to improve …

This study tests whether a special type of dynamic lighting can improve sleep, daily rhythms, and overall well-being in frail older adults (65+) who are in the hospital. Researchers will measure changes in melatonin levels and sleep patterns. The goal is to find a simple, non-dru…

This study looks at how eating a high-fat diet can change your body's internal clock, which controls sleep and other daily rhythms. Researchers will track 14 healthy, lean adults over 46 days, including 18 days spent in a research center. The goal is to understand how quickly the…

This study looks at how different light patterns and meal timing affect the body's metabolism when sleep is reduced. Researchers will observe 120 healthy adults aged 18-35 over 4-6 months, including overnight clinic stays and medical tests. The goal is to understand how these lif…

This study looks at how cannabis use and stopping it affect sleep, daily rhythms, and sensitivity to light in healthy young adults aged 18-25. Researchers will compare regular cannabis users to non-users using sleep monitors, light tests, and pupil measurements. The goal is to un…

This study looks at whether being a morning person or an evening person changes how you experience time. Healthy Danish adults aged 23-45 who are clearly one type will do computer tasks at their best time and at a mismatched time. The goal is to see if time judgments and alertnes…

This study looks at how your internal body clock changes the way you perceive time, think, and feel when you stay awake for 36 hours. Thirty healthy adults aged 23 to 45 will stay in a controlled lab, awake the whole time, with constant light, posture, food, and activity. Every t…

This study looks at how keeping a consistent sleep schedule affects heart health and metabolism in healthy adults aged 18-40, and also in people with chronic pain. Over 12 weeks, researchers will track sleep patterns and measure things like blood pressure, heart rate, and blood s…

This study looks at how different diets—unhealthy Western-style vs. healthy fiber-rich—affect sleep quality, heart rate, and metabolism. Researchers will monitor 24 healthy adults aged 18-32 using wearable devices and sleep tests. The goal is to understand how food choices influe…