Cohort Studymoderate evidence
Recent and Cumulative Cannabis Use and Sleep in Middle-Aged Adults.
JAMA network open·October 1, 2026·PMID 42853566
Why it mattersCannabis is commonly used as a sleep aid, yet long-term effects on sleep architecture remain unclear. This study provides objective evidence that cumulative and recent use may impair sleep continuity in midlife, informing risk counseling for patients who use cannabis for sleep.
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