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Showing 1–24 of 33 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: sleep-wake timing Clear all
Terminated Not applicable Interventional

Effect of Meal Composition and Timing Modification on Glucose Metabolism, Body Temperature and Sleep

NCT05413928
View directory record Official record
Conditions
PreDiabetes, Type 2 Diabetes, Healthy
Interventions
Time Restrictive Eating- late, Time Restrictive Eating- early, Time Restrictive Eating- early with early caloric intake, Macronutrient-controlled meals
Behavioral · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Phase 2 Interventional

RECOVER-SLEEP: Platform Protocol

NCT06404086
View directory record Official record
Conditions
Long COVID, Long COVID-19, Hypersomnia, Sleep Disturbance
Interventions
Modafinil, Modafinil Placebo, Solriamfetol, Solriamfetol Placebo, Melatonin, Melantonin Placebo, Tailored lighting (TL) Active, Tailored lighting (TL) Placebo
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
47
States / cities
Phoenix, Arizona • Tucson, Arizona • Palo Alto, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Not yet recruiting Not applicable Interventional

Aerobic Exercise as a Countermeasure for Night Shift Associated Circadian Misalignment

NCT07668622
View directory record Official record
Conditions
Healthy, Circadian Misalignment
Interventions
Exercise
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Recruiting Not applicable Interventional

Type 1 Diabetes REst for Metabolic Health

NCT06627504
View directory record Official record
Conditions
Type 1 Diabetes (T1D), Sleep Health
Interventions
Sleep Health and Circadian Timing Intervention
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
14 Years to 19 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep Timing and Energy Balance

NCT01866280
View directory record Official record
Conditions
Sleep, Meals
Interventions
Normal sleep, Normal meals, Late sleep, Late meals
Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
20 Years to 45 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 20, 2015 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep Timing on Energy Intake and Energy Expenditure

NCT05096585
View directory record Official record
Conditions
Obesity
Interventions
Delayed bedtime sleep restriction, Early wake sleep restriction
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
21 Years to 45 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 9, 2023 · Synced Sep 4, 2026, 12:59 PM EDT
Active, not recruiting Not applicable Interventional

Flashed Light Therapy for Adolescents With ADHD and Delayed Sleep Timing

NCT06036420
View directory record Official record
Conditions
ADHD
Interventions
Flashed Light Therapy, Videoconference-delivered Cognitive Behavioral Therapy
Device · Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 17 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Sleep and Metabolism

NCT05775627
View directory record Official record
Conditions
Sleep Deprivation, Obesity, Glucose Intolerance, Weight Gain, Food Selection
Interventions
Sleep Restriction
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Experimental Manipulation of Sleep and Circadian Rhythms and the Role Played on Reward Function in Teens

NCT04792697
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Breath Biomarkers for Sleep Loss and Circadian Timing

NCT03980340
View directory record Official record
Conditions
Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic, Advanced Sleep Phase Syndrome (ASPS), Advanced Sleep Phase Syndrome, Advanced Sleep Phase, Delayed Sleep Phase, Delayed Sleep Phase Syndrome, Non-24 Hour Sleep-Wake Disorder, Irregular Sleep-Wake Syndrome
Interventions
Short Nap Intervention, No Nap Intervention
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional

IBD-Sleep: A Pilot Study Looking at Changes in Sleep Timing and IBD Symptoms

NCT06094608
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Ulcerative Colitis, Crohn Disease
Interventions
Morning light treatment, Treatment-as-usual
Device · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Shifting Sleep Timing in Teens

NCT05808179
View directory record Official record
Conditions
Sleep Insufficiency, Sleep, Adolescent Behavior
Interventions
Light, CBT, Sham Light
Device · Behavioral
Lead sponsor
Stanford University
Other
Eligibility
14 Years to 18 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 23, 2025 · Synced Sep 4, 2026, 12:59 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Biomarkers for Circadian Timing in Healthy Adults

NCT03956745
View directory record Official record
Conditions
Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic, Advanced Sleep Phase Syndrome (ASPS), Advanced Sleep Phase Syndrome, Advanced Sleep Phase, Delayed Sleep Phase, Delayed Sleep Phase Syndrome, Non-24 Hour Sleep-Wake Disorder, Irregular Sleep-Wake Syndrome, Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder, Delayed Phase Sleep Syndrome
Interventions
sleep-wake timing, constant routine
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional Results available

Reducing Cannabis Use for Sleep Among Adults Using Medical Cannabis

NCT03964974
View directory record Official record
Conditions
Insomnia Chronic, Cannabis Use
Interventions
Cognitive Behavioral Therapy for Insomnia in Cannabis Users (CBTi-CB), Sleep Hygiene Education (SHE)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 13, 2022 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Feasibility of a Mental-Health Intervention Based on Contemplative Sleep Practices

NCT07217340
View directory record Official record
Conditions
Anxiety
Interventions
Dream Yoga Inspired Intervention, Sleep Health Enhancement program
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
Evanston, Illinois • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Parents Advancing Toddler Health

NCT04824989
View directory record Official record
Conditions
Sleep Problem, Behavior, Child
Interventions
Sleep Health in Preschoolers (SHIP), Family Check-Up (FCU), Oral Health, Child Safety, and Environmental Health Intervention (Active Control)
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Months to 48 Months
Enrollment
305 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
2
States / cities
Denver, Colorado • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Yo-Yo Sleep on Cardiometabolic Health

NCT05880758
View directory record Official record
Conditions
Cardiometabolic Syndrome, Obesity
Interventions
Intermittent Short Sleep (ISS), Social Jetlag (SJL), Sustained Adequate Sleep (SAS)
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 49 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Biomarkers for Peripheral Circadian Clocks in Humans

NCT06296823
View directory record Official record
Conditions
Circadian Rhythms
Interventions
Simulated jetlag protocol
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
17 Years to 35 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Sleep Regularity on Circadian Rhythms, Learning, Performance, and Mood

NCT02839070
View directory record Official record
Conditions
Physiology
Interventions
Sleep/Wake Schedule
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Sleep and Meal Timing on Food Intake Regulation

NCT02347020
View directory record Official record
Conditions
Obesity, Diabetes Mellitus, Type II, Cardiovascular Disease
Interventions
Normal Sleep/ Normal Meal, Normal Sleep/ Late Meal, Late Sleep/ Normal Meal, Late Sleep/ Late Meal
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
20 Years to 49 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2016 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Development of Countermeasures Against Adverse Metabolic Effects of Shift Work

NCT02291952
View directory record Official record
Conditions
Circadian Dysregulation
Interventions
Meal schedule
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of Sleep Restriction on Performance in Adults

NCT02960776
View directory record Official record
Conditions
Sleep, Obesity, Sleep Restriction
Interventions
Sleep Restriction (SR)
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
20 Years to 75 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional Results available

Sleep Promotion Program Primary Care (SPP PC) Open Trial

NCT06239792
View directory record Official record
Conditions
Sleep, Sleep Disturbance, Insufficient Sleep
Interventions
Sleep Promotion Program
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 4, 2026, 12:59 PM EDT
Completed Not applicable Interventional

Adjunctive Bright Light Therapy for Opioid Use Disorder

NCT05459922
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Wearable bright light therapy device, Wearable placebo light therapy device
Device
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 4, 2026, 12:59 PM EDT