{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+duration&page=21",
    "query": {
      "intervention": "Sleep duration",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 960,
    "total_pages": 96,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+duration&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+duration&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T17:47:16.362Z",
  "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": "NCT00438438",
      "title": "Interaction of Chronic Sleep Restriction and Circadian Misalignment on Sleep and Neuro-cognitive Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "forced desynchrony protocol with sleep restriction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "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": 9,
      "start_date": "2006-04",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2011-09-02",
      "last_synced_at": "2026-10-20T17:47:16.362Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00438438"
    },
    {
      "nct_id": "NCT07637838",
      "title": "Characterizing the Effects of Platelet-Rich Fibrin (PRF) as a Palatal Wound Dressing on Quality of Life and Sleep Following Mucogingival Surgery. Study Was Conducted at the Air Force Post Graduate Dental School. All HIPPA Consents and Research Informed Consents Are Located at JBSA-Lackland.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Palatal Donor Site Wound Healing",
        "Platelet Rich Fibrin",
        "Sleep Quality",
        "Pain",
        "Analgesic Consumption"
      ],
      "interventions": [
        {
          "name": "Platelet rich fibrin",
          "type": "PROCEDURE"
        },
        {
          "name": "Control Group: collagen matrices or oxidized cellulose membrane",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "59th Medical Wing",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 78,
      "start_date": "2024-05-24",
      "completion_date": "2025-03-18",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-10-20T17:47:16.362Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07637838"
    },
    {
      "nct_id": "NCT06047626",
      "title": "Living Well With Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Fatigue Reduction Diet",
          "type": "OTHER"
        },
        {
          "name": "General Health Curriculum",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2024-03-07",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-10-20T17:47:16.362Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06047626"
    },
    {
      "nct_id": "NCT03603717",
      "title": "RCT of Brief CBT-I in Primary Care Veterans With Suicidal Thoughts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia",
        "Suicidal Ideation"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy for Insomnia",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep Hygiene",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 283,
      "start_date": "2019-02-18",
      "completion_date": "2023-06-30",
      "has_results": true,
      "last_update_posted_date": "2024-06-17",
      "last_synced_at": "2026-10-20T17:47:16.362Z",
      "location_count": 3,
      "location_summary": "Buffalo, New York • Canandaigua, New York • Syracuse, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Canandaigua",
          "state": "New York"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03603717"
    },
    {
      "nct_id": "NCT04456764",
      "title": "The Sleep and Teamwork in EMS Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fatigue",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "SaFTiE",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Placebo Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 708,
      "start_date": "2020-09-16",
      "completion_date": "2024-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-05-18",
      "last_synced_at": "2026-10-20T17:47:16.362Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04456764"
    },
    {
      "nct_id": "NCT02547155",
      "title": "Does Spinal Anesthesia for Prolapse Surgery With Lead to Urinary Retention?",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Retention",
        "Uterine Prolapse"
      ],
      "interventions": [
        {
          "name": "Spinal anesthesia",
          "type": "PROCEDURE"
        },
        {
          "name": "General anesthesia",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 68,
      "start_date": "2015-03",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2017-04-20",
      "last_synced_at": "2026-10-20T17:47:16.362Z",
      "location_count": 1,
      "location_summary": "Weston, Florida",
      "locations": [
        {
          "city": "Weston",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02547155"
    },
    {
      "nct_id": "NCT07684417",
      "title": "Impact of Short and Mistimed Sleep on Adolescents With ADHD: The Adolescent Attention and Circadian Timing Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Aligned sleep extension",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Misaligned sleep extension",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 50,
      "start_date": "2026-07-10",
      "completion_date": "2030-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-20T17:47:16.362Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07684417"
    },
    {
      "nct_id": "NCT03684057",
      "title": "Targeting Worry to Improve Sleep",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety",
        "Sleep Disturbance"
      ],
      "interventions": [
        {
          "name": "App-Delivered Mindfulness Training (MT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2019-07-25",
      "completion_date": "2020-02-26",
      "has_results": true,
      "last_update_posted_date": "2022-10-10",
      "last_synced_at": "2026-10-20T17:47:16.362Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03684057"
    },
    {
      "nct_id": "NCT06501690",
      "title": "Feasibility of a Bedtime Variability Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Late bedtime",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Variable bedtime",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "6 Years to 10 Years"
      },
      "enrollment_count": 5,
      "start_date": "2024-07-10",
      "completion_date": "2024-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-11-08",
      "last_synced_at": "2026-10-20T17:47:16.362Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06501690"
    },
    {
      "nct_id": "NCT02574897",
      "title": "The Ability of Electronic Patient Symptom Reporting to Reduce Symptom Burden During Hospitalization for Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stem Cell Transplantation, Hematopoietic"
      ],
      "interventions": [
        {
          "name": "Electronic symptom survey",
          "type": "OTHER"
        },
        {
          "name": "Blinded Electronic Symptom Survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 76,
      "start_date": "2014-07",
      "completion_date": "2017-09",
      "has_results": false,
      "last_update_posted_date": "2018-03-22",
      "last_synced_at": "2026-10-20T17:47:16.362Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02574897"
    }
  ]
}