Sleep characteristics predict cannabis use, binge drinking in teens and young adults



DARIEN, IL – A recent study of teens and young adults found that several factors related to sleep timing and sleep duration are associated with an increased risk of cannabis use and binge drinking of alcohol during the following year.

Results show that a greater late-night preference predicted a greater likelihood of any cannabis use the following year. Greater late-night preference, greater daytime sleepiness, later sleep timing on the weekend, and shorter sleep duration during weekdays and on the weekend, all predicted an increased risk for more severe binge drinking the following year.


“Sleep is modifiable behavior, and perhaps easier to modify than going after substance use directly,” said Hasler. “Furthermore, other studies show college-age teens are more willing to hear about changing their sleep than changing their substance use. Thus, focusing on improving teen sleep — including through delaying school start times — may be an underutilized but effective approach to reducing risk for problematic substance use.”

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