Marijuana use is associated with impaired sleep quality

Association is strongest in adults who started marijuana use before age 15DARIEN, IL – A new study suggests that marijuana use is associated with impaired sleep quality. Results show that any history of cannabis use was associated with an increased likelihood of reporting difficulty falling asleep, struggling to maintain sleep, experiencing non-restorative sleep, and feeling daytime sleepiness. The strongest association was found in adults who started marijuana use before age 15; they were about twice as likely to have severe problems falling asleep (odds ratio = 2.28), experiencing non-