{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+timing",
    "query": {
      "intervention": "Sleep timing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 101,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+timing&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T05:23:32.590Z",
  "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": "NCT03964974",
      "title": "Reducing Cannabis Use for Sleep Among Adults Using Medical Cannabis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia Chronic",
        "Cannabis Use"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy for Insomnia in Cannabis Users (CBTi-CB)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep Hygiene Education (SHE)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2020-02-10",
      "completion_date": "2021-07-13",
      "has_results": true,
      "last_update_posted_date": "2022-09-14",
      "last_synced_at": "2026-09-13T05:23:32.590Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03964974"
    },
    {
      "nct_id": "NCT03359096",
      "title": "Hypoglossal Nerve Stimulation on Cardiovascular Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Therapeutic HGNS",
          "type": "DEVICE"
        },
        {
          "name": "Subtherapeutic 'Sham' HGNS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 63,
      "start_date": "2017-12-13",
      "completion_date": "2022-01-21",
      "has_results": true,
      "last_update_posted_date": "2023-03-30",
      "last_synced_at": "2026-09-13T05:23:32.590Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03359096"
    },
    {
      "nct_id": "NCT02585830",
      "title": "Sleep Timing and Insulin Resistance in Adolescents With Obesity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "15 Years to 19 Years"
      },
      "enrollment_count": 25,
      "start_date": "2015-10",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2020-02-19",
      "last_synced_at": "2026-09-13T05:23:32.590Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02585830"
    },
    {
      "nct_id": "NCT04445740",
      "title": "The i Heart Rhythm Project: Healthy Sleep and Behavioral Rhythms for Obesity Prevention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity Prevention"
      ],
      "interventions": [
        {
          "name": "i♥rhythm project",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "5 Years to 60 Years"
      },
      "enrollment_count": 92,
      "start_date": "2021-03-15",
      "completion_date": "2023-08-18",
      "has_results": false,
      "last_update_posted_date": "2023-10-25",
      "last_synced_at": "2026-09-13T05:23:32.590Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04445740"
    },
    {
      "nct_id": "NCT04211506",
      "title": "Comparison Across Multiple Types of Sleep Deprivation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Deprivation",
        "Sleep Restriction"
      ],
      "interventions": [
        {
          "name": "Controlled sleep",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Civil Aerospace Medical Institute",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "20 Years to 45 Years"
      },
      "enrollment_count": 59,
      "start_date": "2020-08-25",
      "completion_date": "2023-09-12",
      "has_results": false,
      "last_update_posted_date": "2023-09-29",
      "last_synced_at": "2026-09-13T05:23:32.590Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04211506"
    },
    {
      "nct_id": "NCT00593736",
      "title": "Efficacy of Ramelteon on Speeding Up Sleep in Subjects With Delayed Sleep Phase Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sleep Disorders, Circadian Rhythm"
      ],
      "interventions": [
        {
          "name": "Ramelteon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2007-10",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2012-02-28",
      "last_synced_at": "2026-09-13T05:23:32.590Z",
      "location_count": 42,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Hot Springs, Arkansas + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00593736"
    },
    {
      "nct_id": "NCT06336590",
      "title": "Student Exercise and Sleep Timing Study - Part 2",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep",
        "Mood",
        "Stress"
      ],
      "interventions": [
        {
          "name": "Morning Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "23 Years",
        "sex": "ALL",
        "summary": "18 Years to 23 Years"
      },
      "enrollment_count": 62,
      "start_date": "2024-10-21",
      "completion_date": "2026-12-16",
      "has_results": false,
      "last_update_posted_date": "2024-11-21",
      "last_synced_at": "2026-09-13T05:23:32.590Z",
      "location_count": 6,
      "location_summary": "New Brunswick, New Jersey • Piscataway, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06336590"
    },
    {
      "nct_id": "NCT03266133",
      "title": "Sleep Intervention to Improve Glycemic Control in Women With Gestational Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gestational Diabetes Mellitus in Pregnancy"
      ],
      "interventions": [
        {
          "name": "Sleep Education for Pregnancy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 74,
      "start_date": "2017-11-27",
      "completion_date": "2019-06-30",
      "has_results": false,
      "last_update_posted_date": "2019-08-12",
      "last_synced_at": "2026-09-13T05:23:32.590Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03266133"
    },
    {
      "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": "2026-09-13T05:23:32.590Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07668622"
    },
    {
      "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": "2026-09-13T05:23:32.590Z",
      "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"
    }
  ]
}