- Conditions
- Sleep, Circadian Rhythm Disorders, Dietary Habits
- Interventions
- Sleep Extension (Early), Sleep Extension (Late)
- Behavioral
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- 14 Years to 18 Years
- Enrollment
- 190 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
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Showing 1–6
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- Conditions
- ADHD
- Interventions
- Aligned sleep extension, Misaligned sleep extension
- Behavioral
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- 13 Years to 17 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2030
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Delayed Sleep Phase Syndrome
- Interventions
- Increase morning bright light, Decrease evening blue light, Sleep Scheduling, Monitor sleep, mood, and substance use
- Other · Behavioral
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 13 Years to 15 Years
- Enrollment
- 115 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Sleep, Metabolism Changes, Circadian Rhythm, Lifestyle Factors, Sleep Hygiene, Sleep Hygiene, Inadequate, Sleep Deprivation, Insufficient Sleep, Circadian Misalignment, Circadian Dysregulation, Light Exposure
- Interventions
- Central Clock Misalignment, Peripheral Misalignment
- Behavioral
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2031
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Sleep Deprivation, Circadian Dysregulation, Shift-Work Sleep Disorder
- Interventions
- sleep extension & circadian alignment
- Behavioral
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 64 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2015
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Sleep
- Interventions
- Fixed restricted bedtimes, Sleep restriction with circadian misalignment
- Behavioral
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 21 Years to 39 Years
- Enrollment
- 49 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2003 – 2009
- U.S. locations
- 1
- States / cities
- Chicago, Illinois