While popularly consumed for its perceived benefits as a sleeping aid, the impact of cannabis on sleep-wake regulation in clinical studies is inconclusive. A research team at the University of Toronto assessed data from the National Health and Nutrition Examination Survey data from 2005 to 2018 with a sample of approximately 146 million adults in the US. Recent cannabis users were more likely than non-users to report both short sleep and long sleep. Heavy users (≥20 of the past 30 days) were even more likely to be at the extremes of nightly sleep duration.
From the authors: Recent cannabis use was associated with the extremes of nightly sleep duration in a nationally representative sample of adults, with suggestions of a dose-response relationship. Our findings highlight the need to further characterize the sleep health of regular cannabis users in the population.
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