Clinical trials: Circadian Timing
Sleep Quality, Chronotype
Sleep, Chronotype, and Prosocial Allocation Decisions
This observational behavioural study examines whether individual differences in sleep quality, sleep timing, and chronotype are associated with prosocial allocation decisions in adults.
- Conditions
- Sleep Quality, Chronotype, Prosocial Decision-Making, Circadian Timing
- Trial name
- SCPAD (NCT07697092)
- Testing
- Sleep, Circadian, and Prosocial Allocation Assessment
- Where
- 2 sites in Hong Kong
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Sleep Quality, Meal Timing
This Trial Examines How Last Meal Composition and Timing Affect Sleep Quality and Circadian Gene Expression Among Medical Residents. Recruitment Not Yet Started; Study Begins Dec 2025 and Ends Dec 2026.
This randomized controlled trial aims to evaluate the effects of last meal composition and timing on sleep quality and circadian gene expression among medical residents in Jordanian hospitals.
- Conditions
- Sleep Quality, Meal Timing, Circadian Rhythm, Medical Residents
- Trial name
- CHRONO-MED (NCT07339592)
- Testing
- High-Carbohydrate Last Meal, High-Protein Last Meal, Balanced Standard Dinner
- Where
- Jordan
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Jordan
Obesity, Overweight
Effects of Meal Energy Density on Body Measures and Metabolism in Women
This study investigates whether the timing of energy intake during the day-specifically consuming more calories at breakfast or at dinner-affects body measurements, blood sugar levels, cholesterol, and feelings of hunger in women…
- Conditions
- Obesity, Overweight, Appetite Regulation, Meal Timing
- Trial name
- NCT07066618
- Testing
- Breakfast-Loaded Hypocaloric Diet, Dinner-Loaded Hypocaloric Diet
- Where
- Turkey (Türkiye)
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Melike Nur Eroğlu
Circadian Timing - Exercise
Timed Exercise Study
The purpose of this study was to investigate the effect of timed exercise on human circadian rhythms. Subjects were randomized to 5 days of morning or evening treadmill exercise.
- Trial name
- NCT04097886
- Testing
- Morning Exercise, Evening Exercise
- Where
- United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Julie Pendergast