{"type":"trials","record":{"id":44318,"source_id":"clinicaltrials-gov","external_id":"NCT00506428","title":"Effects of Chronic Sleep Restriction in Young and Older People","brief_summary":"The purpose of this study is to examine the consequences of chronic sleep restriction on nighttime sleep, daytime alertness, performance and memory functions, and metabolic and cardiovascular function, and to determine if the consequences of chronic sleep restriction differ between healthy young and older adults.","overall_status":"Unknown","phases":[],"study_type":"INTERVENTIONAL","sponsor":"National Institute on Aging (NIA)","enrollment":25,"countries":["United States"],"start_date":"2006-12-01","completion_date":"2011-06-01","last_update_date":"2009-04-29","source_url":"https://clinicaltrials.gov/study/NCT00506428","editorial_summary":"A registered study indexed because it matched monitored longevity research terms. Registry status: Unknown. Registration does not establish safety or effectiveness.","first_seen_at":"2026-09-25T01:25:48.846222+00:00","last_seen_at":"2026-09-25T06:25:39.067+00:00","metadata":{"sex":"ALL","acronym":null,"age_range":"18 Years to 70 Years","comparator":null,"organization":"National Institute on Aging (NIA)","interventions":["chronic sleep restriction"],"registry_source":"ClinicalTrials.gov","outcome_measures":["Changes in sleep and waking EEG measures — During 3-week chronic sleep restriction segment of inpatient study","frequent measures of performance, attention, alertness, and memory — During 3-week chronic sleep restriction segment of…","measures of cardiovascular and metabolic function — During 3-week chronic sleep restriction segment of inpatient study"],"design_description":"NON RANDOMIZED · CROSSOVER · NONE","source_has_results":false},"controlled_terms":["Aging","Sleep Deprivation","Metabolic Syndrome","chronic sleep restriction"],"relevance_confidence":100,"source_quality_score":100,"freshness_score":35,"publication_state":"published","match_explanation":"Title contains controlled term: sleep.","quality_checked_at":"2026-09-25T06:25:42.287439+00:00","duplicate_cluster_key":"id:nct00506428","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2006-12-01 to 2011-06-01","comparator":null,"confidence":"structured-source","population":"ALL · 18 Years to 70 Years","provenance":{"duration":"start_date and completion_date","comparator":"registry arm fields","population":"registry eligibility fields","intervention":"registry intervention fields","participants":"enrollment","study_design":"study_type and registry design fields","evidence_stage":"phases","reported_outcome":"not available","outcomes_measured":"registry outcome-measure fields"},"generated_at":"2026-09-25T06:25:39.119Z","intervention":["chronic sleep restriction"],"participants":25,"study_design":"NON RANDOMIZED · CROSSOVER · NONE","subject_scope":"Human clinical study registration","evidence_stage":"Phase not reported","safety_context":"Eligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians.","source_support":"Structured registry protocol metadata; no finding-level conclusion is generated.","main_limitation":"This is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.","reported_outcome":null,"outcomes_measured":["Changes in sleep and waking EEG measures — During 3-week chronic sleep restriction segment of inpatient study","frequent measures of performance, attention, alertness, and memory — During 3-week chronic sleep restriction segment of…","measures of cardiovascular and metabolic function — During 3-week chronic sleep restriction segment of inpatient study"],"regulatory_context":"Trial registration is not regulatory approval and does not establish that an intervention is available."},"clinical_trial_topics":[{"topic_slug":"sleep","is_published":true,"match_reasons":["Title contains controlled term: sleep.","Abstract contains controlled term: sleep.","Source terminology contains: sleep.","Title supplies longevity context: older people.","Study type is explicitly identified as INTERVENTIONAL."],"matched_fields":["title","abstract","controlled terminology","title context","study type"],"relevance_score":100,"intelligence_topics":{"name":"Sleep","slug":"sleep"}}],"content_sources":{"name":"ClinicalTrials.gov","homepage_url":"https://clinicaltrials.gov/"}},"canonical_url":"https://www.immortal.life/trials/44318","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}