Study: Cannabis Use Leads to Longer Sleep, But Effects Vanish With Alcohol
Adults who use marijuana sleep longer on days they consume it, but that benefit disappears if alcohol is also involved, according to research published in Drug and Alcohol Dependence.
The study, conducted by researchers at Notre Dame University, the University of Missouri, and the University of Colorado, tracked 48 adults over a 60-day period using daily assessments of substance use and sleep patterns.
- Participants reported weekly alcohol and/or cannabis use.
- Cannabis use alone was linked to slightly longer sleep duration compared to days when participants drank alcohol, used both substances, or abstained.
Cannabis did not improve reported sleep quality, just the overall length of sleep.
When combined with alcohol, the additional sleep benefit was lost.
Author's summary: Cannabis use leads to longer sleep without alcohol.
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