{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+timing&page=5",
    "query": {
      "intervention": "Sleep timing",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 105,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+timing&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sleep+timing&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T22:33:49.202Z",
  "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": "NCT07463417",
      "title": "Evaluating the SWW Method Dietary Intervention for HbA1c and Weight Management as a Preventative Intervention in Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome",
        "Obesity & Overweight",
        "Blood Glucose Monitoring",
        "Type 2 Diabetes Prevention"
      ],
      "interventions": [
        {
          "name": "SWW Method® Dietary and Lifestyle Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Sarah Wragge Wellness",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 75 Years · Female only"
      },
      "enrollment_count": 85,
      "start_date": "2024-04-01",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-10-30T22:33:49.202Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07463417"
    },
    {
      "nct_id": "NCT05808179",
      "title": "Shifting Sleep Timing in Teens",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Insufficiency",
        "Sleep",
        "Adolescent Behavior"
      ],
      "interventions": [
        {
          "name": "Light",
          "type": "DEVICE"
        },
        {
          "name": "CBT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sham Light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "14 Years to 18 Years"
      },
      "enrollment_count": 160,
      "start_date": "2022-07-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-10-30T22:33:49.202Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05808179"
    },
    {
      "nct_id": "NCT05413928",
      "title": "Effect of Meal Composition and Timing Modification on Glucose Metabolism, Body Temperature and Sleep",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes",
        "Type 2 Diabetes",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Time Restrictive Eating- late",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Time Restrictive Eating- early",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Time Restrictive Eating- early with early caloric intake",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Macronutrient-controlled meals",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2023-02-01",
      "completion_date": "2024-10-28",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-30T22:33:49.202Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05413928"
    },
    {
      "nct_id": "NCT03121157",
      "title": "Detroit Young Adult Asthma Project",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Multi-Component Technology Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wayne State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 192,
      "start_date": "2017-04-10",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-09",
      "last_synced_at": "2026-10-30T22:33:49.202Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03121157"
    },
    {
      "nct_id": "NCT05880758",
      "title": "Impact of Yo-Yo Sleep on Cardiometabolic Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiometabolic Syndrome",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Intermittent Short Sleep (ISS)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social Jetlag (SJL)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sustained Adequate Sleep (SAS)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 72,
      "start_date": "2023-09-22",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-10-30T22:33:49.202Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05880758"
    },
    {
      "nct_id": "NCT02995837",
      "title": "Cerebral Blood Flow and Childhood Obstructive Sleep Apnea",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obstructive Sleep Apnea Syndrome"
      ],
      "interventions": [
        {
          "name": "Sleep Study",
          "type": "OTHER"
        },
        {
          "name": "Neurocognitive Testing",
          "type": "OTHER"
        },
        {
          "name": "CBF During Wakefulness",
          "type": "OTHER"
        },
        {
          "name": "CBF During Sleep",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 47,
      "start_date": "2016-10",
      "completion_date": "2022-01-01",
      "has_results": true,
      "last_update_posted_date": "2024-07-09",
      "last_synced_at": "2026-10-30T22:33:49.202Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02995837"
    },
    {
      "nct_id": "NCT06656533",
      "title": "Optimizing the Timing of rTMS to Enhance the Administration of Insomnia Treatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Repeated Transcranial magnetic stimulation (rTMS)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "25 Years to 45 Years"
      },
      "enrollment_count": 10,
      "start_date": "2025-03-01",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-10-30T22:33:49.202Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06656533"
    },
    {
      "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": "2026-10-30T22:33:49.202Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05096585"
    },
    {
      "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": "2026-10-30T22:33:49.202Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04445740"
    },
    {
      "nct_id": "NCT01855126",
      "title": "Individually Tailored Lighting System to Improve Sleep in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disturbances"
      ],
      "interventions": [
        {
          "name": "Blue light",
          "type": "OTHER"
        },
        {
          "name": "Red light",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rensselaer Polytechnic Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2013-03",
      "completion_date": "2017-04",
      "has_results": true,
      "last_update_posted_date": "2019-01-29",
      "last_synced_at": "2026-10-30T22:33:49.202Z",
      "location_count": 1,
      "location_summary": "Troy, New York",
      "locations": [
        {
          "city": "Troy",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01855126"
    }
  ]
}