ArticleEClinicalMedicine2026
Sleep alterations in substance use disorders: a systematic review and meta-analysis.
Article in EClinicalMedicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
7 authors.
Funding
Abstract
Background: Sleep disturbances are common in individuals with substance use disorders (SUDs), often persisting beyond initial abstinence and hindering recovery. However, the underlying sleep abnormalities warrant further investigation, particularly given mixed findings regarding specific substances. Methods: This systematic review and meta-analysis aimed to identify sleep-related abnormalities associated with alcohol (AUD), benzodiazepine (BUD), cannabis (CaUD), cocaine (CoUD), methamphetamine (MUD), nicotine (NUD), and opioid (OUD) use disorders. We systematically searched Embase, PsycINFO, PubMed, Scopus, and Web of Science until November 2025, following a pre-registered protocol (PROSPERO: CRD42024531160). Findings: We conducted a systematic review of 43 eligible publications involving approximately 7500 participants, using both objective (eg, polysomnography) and subjective (eg, Pittsburg Sleep Quality Index [PSQI]) measures. Results showed that total sleep time (TST) was reduced in AUD (-14.32, 95% CI = -16.69 to -11.96; I Interpretation: These findings suggest specific relationships between specific addictive substances and sleep, highlight areas of convergence in these relationships, and indicate instances in which the same drug is related with both objective and subjective alterations. Further research is needed to explore further, at a meta-analytical level, relationships between sleep and specific substances. Funding: National Institute on Drug Abuse.
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