{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=30-min+nap",
    "query": {
      "intervention": "30-min nap"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T12:04:51.664Z",
  "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": "NCT02176785",
      "title": "The Effect of Pre-Frontal tDCS on Sleep Propensity During an Afternoon Nap: RCT",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "transcranial Direct Current Stimulation (tDCS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2014-06",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2018-08-02",
      "last_synced_at": "2026-09-08T12:04:51.664Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02176785"
    },
    {
      "nct_id": "NCT03208049",
      "title": "Predictors of Response to Insomnia Treatments for Gulf War Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Behavioral Therapy (BT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Therapy (CT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2017-08-01",
      "completion_date": "2023-05-21",
      "has_results": true,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-09-08T12:04:51.664Z",
      "location_count": 3,
      "location_summary": "Palo Alto, California • Washington D.C., District of Columbia • East Orange, New Jersey",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "East Orange",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03208049"
    },
    {
      "nct_id": "NCT07217769",
      "title": "Effects of Operational Naps on Blood Pressure and Performance Among Night Shift Workers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shift Work"
      ],
      "interventions": [
        {
          "name": "No-nap",
          "type": "BEHAVIORAL"
        },
        {
          "name": "15-min nap",
          "type": "BEHAVIORAL"
        },
        {
          "name": "30-min nap",
          "type": "BEHAVIORAL"
        },
        {
          "name": "45-min nap",
          "type": "BEHAVIORAL"
        },
        {
          "name": "60-min nap",
          "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": 130,
      "start_date": "2026-05-07",
      "completion_date": "2030-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-09-08T12:04:51.664Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07217769"
    },
    {
      "nct_id": "NCT03534284",
      "title": "Short and Long-Term Effectiveness of Existing Insomnia Therapies for Patients Undergoing Hemodialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Insomnia",
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy for Insomnia",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Trazodone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2018-09-19",
      "completion_date": "2022-11-17",
      "has_results": true,
      "last_update_posted_date": "2024-02-05",
      "last_synced_at": "2026-09-08T12:04:51.664Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03534284"
    },
    {
      "nct_id": "NCT05746299",
      "title": "The Impact of Reactivation During Sleep on the Consolidation of Abstract Information in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Memory Consolidation"
      ],
      "interventions": [
        {
          "name": "Congruent vs. Incongruent",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Immediate vs. Awake vs. Asleep",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Targeted memory reactivation (TMR)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 194,
      "start_date": "2023-03-29",
      "completion_date": "2024-06-30",
      "has_results": true,
      "last_update_posted_date": "2025-07-14",
      "last_synced_at": "2026-09-08T12:04:51.664Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05746299"
    },
    {
      "nct_id": "NCT05026541",
      "title": "Resilience to Sleep Deprivation and Changes in Sleep Architecture in Shoonya Meditators",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep",
        "Sleep Deprivation",
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "Nap Practitioners",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Shoonya Meditation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "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": 72,
      "start_date": "2022-09-12",
      "completion_date": "2026-04-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-08T12:04:51.664Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05026541"
    },
    {
      "nct_id": "NCT00888706",
      "title": "Effect of Activities and Exercise on Sleep in Elderly Persons With Dementia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dementia",
        "Elderly",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Control Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Individualized Social Activities (ISA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical Resistance Training and Walking (PRT/walking)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Combined ISA/PRT/walking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Nursing Research (NINR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 355,
      "start_date": "2002-08",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2009-04-28",
      "last_synced_at": "2026-09-08T12:04:51.664Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00888706"
    },
    {
      "nct_id": "NCT04469803",
      "title": "Impact of Intra-Shift Napping on EMS Cardiovascular Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Pressure",
        "Heart Rate Variability"
      ],
      "interventions": [
        {
          "name": "Intra-Shift Napping",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 28,
      "start_date": "2021-03-01",
      "completion_date": "2022-10-02",
      "has_results": false,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-09-08T12:04:51.664Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04469803"
    },
    {
      "nct_id": "NCT01672502",
      "title": "Fire Fighter Fatigue Management Program: Operation Fight Fatigue",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shift-Work Sleep Disorder",
        "Insomnia",
        "Restless Leg Syndrome",
        "Obstructive Sleep Apnea",
        "Impaired Driving"
      ],
      "interventions": [
        {
          "name": "Sleep health education provided via a web-based program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep disorder detection and treatment",
          "type": "OTHER"
        },
        {
          "name": "Optimization of Sleep in Fire Station",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 620,
      "start_date": "2012-09",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2016-03-17",
      "last_synced_at": "2026-09-08T12:04:51.664Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01672502"
    },
    {
      "nct_id": "NCT02236676",
      "title": "Sleep Study Among Inpatients With TBI in an Acute Rehabilitation Hospital",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Motor Learning in TBI"
      ],
      "interventions": [
        {
          "name": "Nap after rehearsal trials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kessler Foundation",
      "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": 5,
      "start_date": "2014-05-28",
      "completion_date": "2019-05-31",
      "has_results": false,
      "last_update_posted_date": "2021-09-05",
      "last_synced_at": "2026-09-08T12:04:51.664Z",
      "location_count": 1,
      "location_summary": "West Orange, New Jersey",
      "locations": [
        {
          "city": "West Orange",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02236676"
    }
  ]
}