{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sleep-wake+timing", "query": { "intervention": "sleep-wake timing" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 33, "total_pages": 4, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sleep-wake+timing&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-05T00:47:14.203Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT05413928", "title": "Effect of Meal Composition and Timing Modification on Glucose Metabolism, Body Temperature and Sleep", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "PreDiabetes", "Type 2 Diabetes", "Healthy" ], "interventions": [ { "name": "Time Restrictive Eating- late", "type": "BEHAVIORAL" }, { "name": "Time Restrictive Eating- early", "type": "BEHAVIORAL" }, { "name": "Time Restrictive Eating- early with early caloric intake", "type": "BEHAVIORAL" }, { "name": "Macronutrient-controlled meals", "type": "OTHER" } ], "intervention_types": [ "BEHAVIORAL", "OTHER" ], "sponsor": "Stanford University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 29, "start_date": "2023-02-01", "completion_date": "2024-10-28", "has_results": false, "last_update_posted_date": "2026-04-24", "last_synced_at": "2026-09-05T00:47:14.203Z", "location_count": 1, "location_summary": "Stanford, California", "locations": [ { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05413928" }, { "nct_id": "NCT06404086", "title": "RECOVER-SLEEP: Platform Protocol", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Long COVID", "Long COVID-19", "Hypersomnia", "Sleep Disturbance" ], "interventions": [ { "name": "Modafinil", "type": "DRUG" }, { "name": "Modafinil Placebo", "type": "DRUG" }, { "name": "Solriamfetol", "type": "DRUG" }, { "name": "Solriamfetol Placebo", "type": "DRUG" }, { "name": "Melatonin", "type": "DRUG" }, { "name": "Melantonin Placebo", "type": "DRUG" }, { "name": "Tailored lighting (TL) Active", "type": "DEVICE" }, { "name": "Tailored lighting (TL) Placebo", "type": "DEVICE" } ], "intervention_types": [ "DRUG", "DEVICE" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 830, "start_date": "2024-07-31", "completion_date": "2025-12-31", "has_results": false, "last_update_posted_date": "2026-01-22", "last_synced_at": "2026-09-05T00:47:14.203Z", "location_count": 47, "location_summary": "Phoenix, Arizona • Tucson, Arizona • Palo Alto, California + 31 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Palo Alto", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06404086" }, { "nct_id": "NCT07668622", "title": "Aerobic Exercise as a Countermeasure for Night Shift Associated Circadian Misalignment", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Healthy", "Circadian Misalignment" ], "interventions": [ { "name": "Exercise", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of Colorado, Denver", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "40 Years", "sex": "ALL", "summary": "18 Years to 40 Years" }, "enrollment_count": 16, "start_date": "2026-07-01", "completion_date": "2028-07-01", "has_results": false, "last_update_posted_date": "2026-06-25", "last_synced_at": "2026-09-05T00:47:14.203Z", "location_count": 1, "location_summary": "Aurora, Colorado", "locations": [ { "city": "Aurora", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT07668622" }, { "nct_id": "NCT06627504", "title": "Type 1 Diabetes REst for Metabolic Health", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Type 1 Diabetes (T1D)", "Sleep Health" ], "interventions": [ { "name": "Sleep Health and Circadian Timing Intervention", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of Colorado, Denver", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "14 Years", "maximum_age": "19 Years", "sex": "ALL", "summary": "14 Years to 19 Years" }, "enrollment_count": 50, "start_date": "2025-08-12", "completion_date": "2029-08-31", "has_results": false, "last_update_posted_date": "2026-06-03", "last_synced_at": "2026-09-05T00:47:14.203Z", "location_count": 1, "location_summary": "Aurora, Colorado", "locations": [ { "city": "Aurora", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT06627504" }, { "nct_id": "NCT01866280", "title": "Sleep Timing and Energy Balance", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Sleep", "Meals" ], "interventions": [ { "name": "Normal sleep", "type": "BEHAVIORAL" }, { "name": "Normal meals", "type": "BEHAVIORAL" }, { "name": "Late sleep", "type": "BEHAVIORAL" }, { "name": "Late meals", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "St. Luke's-Roosevelt Hospital Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "20 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "20 Years to 45 Years" }, "enrollment_count": 5, "start_date": "2012-11", "completion_date": "2013-09", "has_results": false, "last_update_posted_date": "2015-04-21", "last_synced_at": "2026-09-05T00:47:14.203Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01866280" }, { "nct_id": "NCT05096585", "title": "Sleep Timing on Energy Intake and Energy Expenditure", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obesity" ], "interventions": [ { "name": "Delayed bedtime sleep restriction", "type": "BEHAVIORAL" }, { "name": "Early wake sleep restriction", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of Missouri-Columbia", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "21 Years to 45 Years" }, "enrollment_count": 17, "start_date": "2021-08-01", "completion_date": "2022-12-01", "has_results": false, "last_update_posted_date": "2023-03-10", "last_synced_at": "2026-09-05T00:47:14.203Z", "location_count": 1, "location_summary": "Columbia, Missouri", "locations": [ { "city": "Columbia", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT05096585" }, { "nct_id": "NCT06036420", "title": "Flashed Light Therapy for Adolescents With ADHD and Delayed Sleep Timing", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "ADHD" ], "interventions": [ { "name": "Flashed Light Therapy", "type": "DEVICE" }, { "name": "Videoconference-delivered Cognitive Behavioral Therapy", "type": "BEHAVIORAL" } ], "intervention_types": [ "DEVICE", "BEHAVIORAL" ], "sponsor": "University of California, Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "14 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "14 Years to 17 Years" }, "enrollment_count": 6, "start_date": "2023-10-20", "completion_date": "2027-03-20", "has_results": false, "last_update_posted_date": "2026-02-05", "last_synced_at": "2026-09-05T00:47:14.203Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06036420" }, { "nct_id": "NCT05775627", "title": "Sleep and Metabolism", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Sleep Deprivation", "Obesity", "Glucose Intolerance", "Weight Gain", "Food Selection" ], "interventions": [ { "name": "Sleep Restriction", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Oregon Health and Science University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "40 Years", "sex": "ALL", "summary": "18 Years to 40 Years" }, "enrollment_count": 20, "start_date": "2023-12-01", "completion_date": "2027-06-30", "has_results": false, "last_update_posted_date": "2024-04-03", "last_synced_at": "2026-09-05T00:47:14.203Z", "location_count": 1, "location_summary": "Portland, Oregon", "locations": [ { "city": "Portland", "state": "Oregon" } ], "official_url": "https://clinicaltrials.gov/study/NCT05775627" }, { "nct_id": "NCT04792697", "title": "Experimental Manipulation of Sleep and Circadian Rhythms and the Role Played on Reward Function in Teens", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Delayed Sleep Phase Syndrome" ], "interventions": [ { "name": "Increase morning bright light", "type": "OTHER" }, { "name": "Decrease evening blue light", "type": "OTHER" }, { "name": "Sleep Scheduling", "type": "BEHAVIORAL" }, { "name": "Monitor sleep, mood, and substance use", "type": "BEHAVIORAL" } ], "intervention_types": [ "OTHER", "BEHAVIORAL" ], "sponsor": "University of Pittsburgh", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "13 Years", "maximum_age": "15 Years", "sex": "ALL", "summary": "13 Years to 15 Years" }, "enrollment_count": 115, "start_date": "2021-05-01", "completion_date": "2026-05-31", "has_results": false, "last_update_posted_date": "2026-07-08", "last_synced_at": "2026-09-05T00:47:14.203Z", "location_count": 1, "location_summary": "Pittsburgh, Pennsylvania", "locations": [ { "city": "Pittsburgh", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT04792697" }, { "nct_id": "NCT03980340", "title": "Breath Biomarkers for Sleep Loss and Circadian Timing", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "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": [ { "name": "Short Nap Intervention", "type": "BEHAVIORAL" }, { "name": "No Nap Intervention", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Brigham and Women's Hospital", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 5, "start_date": "2021-01-28", "completion_date": "2025-03-31", "has_results": false, "last_update_posted_date": "2025-08-03", "last_synced_at": "2026-09-05T00:47:14.203Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT03980340" } ] }