{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sleep+restriction",
    "query": {
      "intervention": "sleep restriction"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 257,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sleep+restriction&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T13:27:41.735Z",
  "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": "NCT04966351",
      "title": "Countermeasures to Circadian Misalignment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Circadian Rhythm Sleep Disorder of Shift Work Type",
        "Metabolic Disease",
        "Insulin Sensitivity"
      ],
      "interventions": [
        {
          "name": "Time-restricted feeding",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Circadian Misalignment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 32,
      "start_date": "2021-07-07",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-09-09T13:27:41.735Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04966351"
    },
    {
      "nct_id": "NCT01267032",
      "title": "Helping Veterans Quit Smoking by Improving Their Sleep",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Integrated Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive-Behavioral Treatment for Insomnia",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Desensitization Treatment for Insomnia",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 142,
      "start_date": "2011-10",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2014-12-02",
      "last_synced_at": "2026-09-09T13:27:41.735Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01267032"
    },
    {
      "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": "2026-09-09T13:27:41.735Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05096585"
    },
    {
      "nct_id": "NCT05044975",
      "title": "Improving Sleep in Gynecologic Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disturbance",
        "Gynecologic Cancer"
      ],
      "interventions": [
        {
          "name": "Sleep restriction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stimulus control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Systematic light exposure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 78,
      "start_date": "2021-10-11",
      "completion_date": "2025-08-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-09T13:27:41.735Z",
      "location_count": 2,
      "location_summary": "Tucson, Arizona • Chicago, Illinois",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05044975"
    },
    {
      "nct_id": "NCT04868539",
      "title": "Influence of Nocturnal Light Exposure on the Impairment of Glucose Tolerance Induced by Chronic Sleep Restriction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glucose Intolerance",
        "Sleep Deprivation",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Sleep Restriction with ALAN first, then Sleep Restriction without ALAN",
          "type": "OTHER"
        },
        {
          "name": "Sleep Restriction without ALAN first, then sleep restriction with ALAN",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "20 Years to 40 Years"
      },
      "enrollment_count": 14,
      "start_date": "2022-03-15",
      "completion_date": "2024-05-30",
      "has_results": true,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-09-09T13:27:41.735Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04868539"
    },
    {
      "nct_id": "NCT02256865",
      "title": "Hormonal Mechanisms of Sleep Restriction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Ketoconazole",
          "type": "DRUG"
        },
        {
          "name": "Hydrocortisone",
          "type": "DRUG"
        },
        {
          "name": "Testosterone",
          "type": "DRUG"
        },
        {
          "name": "Placebo for ketoconazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo for hydrocortisone",
          "type": "DRUG"
        },
        {
          "name": "Placebo for testosterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "22 Years to 45 Years · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2014-10",
      "completion_date": "2023-10",
      "has_results": false,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-09-09T13:27:41.735Z",
      "location_count": 1,
      "location_summary": "Torrance, California",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02256865"
    },
    {
      "nct_id": "NCT06428006",
      "title": "Efficacy of Cognitive Behavioral Therapy for Insomnia to Treat Insomnia Symptoms in Individuals With Multiple Sclerosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Cognitive behavioral therapy for insomnia",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep and lifestyle education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 70,
      "start_date": "2024-07-30",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-09-09T13:27:41.735Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06428006"
    },
    {
      "nct_id": "NCT03627832",
      "title": "Insomnia Treatment and Problems (the iTAP Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia",
        "Alcohol; Harmful Use"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy for Insomnia (CBT-I)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep Hygiene",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 56,
      "start_date": "2018-08-29",
      "completion_date": "2019-09-27",
      "has_results": true,
      "last_update_posted_date": "2020-06-16",
      "last_synced_at": "2026-09-09T13:27:41.735Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03627832"
    },
    {
      "nct_id": "NCT04502797",
      "title": "A Feasibility Study to Evaluate The Effect of the Electronic Patient Visit Assessment On Pain and Quality of Life for Patients With Head and Neck Cancer (HNC)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Electronic Patient Visit Assessment (ePVA)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New York University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2020-10-08",
      "completion_date": "2022-03-15",
      "has_results": false,
      "last_update_posted_date": "2021-03-03",
      "last_synced_at": "2026-09-09T13:27:41.735Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04502797"
    },
    {
      "nct_id": "NCT02835261",
      "title": "Impact of Sleep Restriction in Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep",
        "Cardiovascular Disease",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Sleep Restriction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 75 Years · Female only"
      },
      "enrollment_count": 54,
      "start_date": "2016-09-01",
      "completion_date": "2021-02-25",
      "has_results": false,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-09-09T13:27:41.735Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02835261"
    }
  ]
}