{"claimId":"clm_ec_mel_sleep","grade":"B","version":0,"status":"current","verdict":"Melatonin for sleep: Grade B at moderate certainty. reduces time to fall asleep; best for circadian timing","direction":"benefit","magnitude":{"metric":"other","value":null,"unit":"","ci95":null,"humanReadable":"reduces time to fall asleep; best for circadian timing","baselineAbsoluteRisk":null},"certainty":"moderate","clinicalMeaning":"small_but_potentially_useful","applicability":{"appliesTo":[],"doesNotApply":[],"unknown":["population not reported"]},"safetyQualifiers":["uncertain_with_ssri"],"evidenceBundleId":"eb_ec_mel_sleep","citations":[{"pmid":"23691095","doi":"10.1371/journal.pone.0063773","design":"peer-reviewed"},{"pmid":"15649737","design":"peer-reviewed"}],"reviewedBy":null,"reviewedAt":"2026-07-16T04:28:37.106Z","dateModified":"2026-07-16T04:28:37.106Z","methodologyVersion":"v1","methodologyDoi":"https://doi.org/10.5281/zenodo.21364236","canonicalUrl":"https://evidencebased.info/interventions/melatonin/sleep","attribution":"Substrate (evidencebased.info), claim clm_ec_mel_sleep v0, reviewed 2026-07-16","license":"CC-BY-4.0 proposed; reuse license pending governance ratification","governanceMode":"legacy","governanceStatus":"legacy-unverified","dataSource":"live"}