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Long-Term Cannabis Use May Disrupt Sleep without Noticeable Symptoms

Researchers found 1,266 adults with more cannabis exposure had poorer sleep efficiency, higher fragmentation and longer wakefulness, while self-reports showed no decline.

Summary by News Medical
Millions of Americans use cannabis products as sleep aids, but a new Northwestern Medicine study suggests marijuana may not improve sleep the way many people believe it does.

5 Articles

Sleeping with cannabis: Some people use the drug to make it easier to rest. But a long-term study finds more nocturnal waking phases and a restless sleep in consumers, although they do not perceive any deterioration themselves. The result is based on observation data and does not prove any causal effect. Chicago (U.S.A.). Anyone who gets tired after a restless night notice [...] The post Long-term cannabis use seems to disturb sleep unnoticed fi…

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Neuroscience News broke the news in The Woodlands, United States on Friday, October 9, 2026.
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