{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+Extension&page=4",
    "query": {
      "intervention": "Sleep Extension",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 143,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+Extension&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+Extension&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T16:27:18.885Z",
  "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": "NCT05691439",
      "title": "Mechanisms of Depression and Anhedonia in Adolescents: Linking Sleep to Reward- and Stress-Related Brain Function",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression in Adolescence"
      ],
      "interventions": [
        {
          "name": "Sleep extension and advance",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Regular sleep duration and timing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oregon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "14 Years to 18 Years"
      },
      "enrollment_count": 150,
      "start_date": "2023-03-27",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-17",
      "last_synced_at": "2026-10-19T16:27:18.885Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05691439"
    },
    {
      "nct_id": "NCT05886881",
      "title": "Air Optix Extended Wear Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Lotrafilcon B spherical soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B spherical soft contact lenses with comfort additive",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B toric soft contact lenses with comfort additive",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A spherical soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A toric soft contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 505,
      "start_date": "2023-08-03",
      "completion_date": "2025-04-15",
      "has_results": false,
      "last_update_posted_date": "2025-08-14",
      "last_synced_at": "2026-10-19T16:27:18.885Z",
      "location_count": 4,
      "location_summary": "Orlando, Florida • Medina, Minnesota • St Louis, Missouri + 1 more",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Medina",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05886881"
    },
    {
      "nct_id": "NCT02171273",
      "title": "Impact of Chronic Circadian Disruption vs. Chronic Sleep Restriction on Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging",
        "Sleep Restriction",
        "Circadian Disruption"
      ],
      "interventions": [
        {
          "name": "Circadian Disruption",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep Restriction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 21,
      "start_date": "2014-03-31",
      "completion_date": "2019-04-01",
      "has_results": false,
      "last_update_posted_date": "2019-08-20",
      "last_synced_at": "2026-10-19T16:27:18.885Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02171273"
    },
    {
      "nct_id": "NCT02783729",
      "title": "Study of the Efficacy and Safety of Lemborexant in Subjects 55 Years and Older With Insomnia Disorder (SUNRISE 1)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Lemborexant",
          "type": "DRUG"
        },
        {
          "name": "Lemborexant-matched placebo",
          "type": "DRUG"
        },
        {
          "name": "Zolpidem tartrate",
          "type": "DRUG"
        },
        {
          "name": "Zolpidem-matched placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 1006,
      "start_date": "2016-05-31",
      "completion_date": "2018-01-30",
      "has_results": true,
      "last_update_posted_date": "2024-11-12",
      "last_synced_at": "2026-10-19T16:27:18.885Z",
      "location_count": 60,
      "location_summary": "Jasper, Alabama • Glendale, Arizona • Little Rock, Arkansas + 49 more",
      "locations": [
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Carlsbad",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02783729"
    },
    {
      "nct_id": "NCT00965783",
      "title": "Predictors of the Metabolic Effect of Sleep Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Apnea",
        "Obstructive Sleep Apnea (OSA)",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Restriction",
          "type": "OTHER"
        },
        {
          "name": "Extension",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "25 Years to 50 Years"
      },
      "enrollment_count": 30,
      "start_date": "2007-06",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2013-09-05",
      "last_synced_at": "2026-10-19T16:27:18.885Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00965783"
    },
    {
      "nct_id": "NCT04202731",
      "title": "Sleep, Insulin Sensitivity, and Weight in Adolescents Post-bariatric Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "PBS Study",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Years to 21 Years"
      },
      "enrollment_count": 5,
      "start_date": "2019-11-20",
      "completion_date": "2023-07-14",
      "has_results": false,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-10-19T16:27:18.885Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04202731"
    },
    {
      "nct_id": "NCT04697680",
      "title": "Efficacy of a Novel Sleep Intervention in Short Sleepers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Algorithm 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Algorithm 2",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Algorithm 3",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-01-15",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2025-07-31",
      "last_synced_at": "2026-10-19T16:27:18.885Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04697680"
    },
    {
      "nct_id": "NCT06655844",
      "title": "Sana Device for Post-Treatment Lyme Disease Syndrome Chronic Pain",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-treatment Lyme Disease Syndrome",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Sana Pain Reliever",
          "type": "DEVICE"
        },
        {
          "name": "Sham SPR",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2024-10-04",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-10-19T16:27:18.885Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06655844"
    },
    {
      "nct_id": "NCT00748098",
      "title": "Polysomnography Study of GSK1838262 Extended Release Tablets Versus Placebo in RLS and Associated Sleep Disturbance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Restless Legs Syndrome",
        "Restless Legs Syndrome (RLS)"
      ],
      "interventions": [
        {
          "name": "GSK1838262 Extended Release Tablets",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 136,
      "start_date": "2008-10",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2013-07-22",
      "last_synced_at": "2026-10-19T16:27:18.885Z",
      "location_count": 24,
      "location_summary": "Jasper, Alabama • San Diego, California • Hallandale, Florida + 20 more",
      "locations": [
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hallandale",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00748098"
    },
    {
      "nct_id": "NCT01041495",
      "title": "Cyclobenzaprine Extended Release (ER) for Fibromyalgia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Fibromyalgia",
        "Pain",
        "Sleep",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "cyclobenzaprine ER (AMRIX)",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "State University of New York - Upstate Medical University",
      "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": 37,
      "start_date": "2009-06",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2024-11-27",
      "last_synced_at": "2026-10-19T16:27:18.885Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01041495"
    }
  ]
}