{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=bedtime+restriction",
    "query": {
      "intervention": "bedtime restriction"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 35,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=bedtime+restriction&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T08:19:37.273Z",
  "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": "NCT00989976",
      "title": "Individual Differences in Diabetes Risk: Role of Sleep Disturbances",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep",
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "normal sleep times",
          "type": "BEHAVIORAL"
        },
        {
          "name": "bedtime restriction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 16,
      "start_date": "2009-02",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2014-12-08",
      "last_synced_at": "2026-09-04T08:19:37.273Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00989976"
    },
    {
      "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": "2026-09-04T08:19:37.273Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05096585"
    },
    {
      "nct_id": "NCT02290496",
      "title": "CBT Insomnia Teens: Augmenting SSRIs to Improve Youth Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia",
        "Depression"
      ],
      "interventions": [
        {
          "name": "CBT for Insomnia (CBT-I)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep Hygiene (SH)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "12 Years to 19 Years"
      },
      "enrollment_count": 165,
      "start_date": "2015-03",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2018-12-17",
      "last_synced_at": "2026-09-04T08:19:37.273Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02290496"
    },
    {
      "nct_id": "NCT01987089",
      "title": "The Efficacy of CBT-I in Alcoholics & Its Effects on Remission & Relapse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy for Insomnia (CBT-I)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 63,
      "start_date": "2014-08-15",
      "completion_date": "2020-03-30",
      "has_results": true,
      "last_update_posted_date": "2020-08-07",
      "last_synced_at": "2026-09-04T08:19:37.273Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01987089"
    },
    {
      "nct_id": "NCT00721019",
      "title": "Sleep Loss and Glucose Metabolism in People With Family History of Type 2 Diabetes.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep",
        "Sleep Deprivation",
        "Insulin Resistance",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "5-hour bedtime",
          "type": "OTHER"
        },
        {
          "name": "8.5-hour bedtimes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "21 Years to 40 Years"
      },
      "enrollment_count": 11,
      "start_date": "2008-07",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2013-09-05",
      "last_synced_at": "2026-09-04T08:19:37.273Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00721019"
    },
    {
      "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": "2026-09-04T08:19:37.273Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02835261"
    },
    {
      "nct_id": "NCT02059421",
      "title": "Johrei Therapy and CBT-I in Facilitating Sleep in ICU Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disturbances in Survivors of Critical Illness"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy for Insomnia (CBT-I)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Johrei therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 50,
      "start_date": "2014-01",
      "completion_date": "2023-06",
      "has_results": false,
      "last_update_posted_date": "2025-04-16",
      "last_synced_at": "2026-09-04T08:19:37.273Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02059421"
    },
    {
      "nct_id": "NCT04155619",
      "title": "Using Early Time Restricted Feeding and Timed Light Therapy to Improve Glycemic Control in Adults With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Time Restricted Feeding",
        "Light; Therapy, Complications"
      ],
      "interventions": [
        {
          "name": "No change in meal timing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No change in light exposure",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Early Time-Restricted Feeding",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Timed Light Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 190,
      "start_date": "2021-04-26",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-09-04T08:19:37.273Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04155619"
    },
    {
      "nct_id": "NCT01175382",
      "title": "Combined Behavioral and Drug Treatment of Overactive Bladder in Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Overactive Bladder",
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "Behavioral training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tolterodine + tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Combined Behavioral + Drug Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 204,
      "start_date": "2010-07",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2017-05-25",
      "last_synced_at": "2026-09-04T08:19:37.273Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Atlanta, Georgia • San Antonio, Texas",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01175382"
    },
    {
      "nct_id": "NCT00108628",
      "title": "Cognitive Behavioral Treatments for Post-traumatic Stress Disorder (PTSD) Sleep Disturbance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Imagery Rehearsal",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep and Nightmare Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 134,
      "start_date": "2004-04",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2015-02-18",
      "last_synced_at": "2026-09-04T08:19:37.273Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00108628"
    }
  ]
}