Association of Recreational Cannabis Legalization with Frequency of Using Cannabis for Sleep

We examined the association of recreational cannabis legalization (RCL) with frequency of using cannabis, alcohol, and sleep medication for sleep and with co-use of cannabis with other sleep aids. We used linear regression models to examine these associations in a population-based sample of adult twins (<i>n</i> = 3,141). Participants (M_age = 37 (SD = 5)) were primarily White (93%), with 5% Hispanic/Latinx, and female (61%). RCL was associated with using cannabis for sleep more frequently even after controlling for cohort, demographics, sleep quality, anxiety, depression, physical health, season, and pre-legalization cannabis use frequency (β = 0.123, <i>p</i> = .001). RCL was not associated with frequency of using alcohol or sleep medication for sleep, or with co-use of cannabis and other sleep aids. More research is needed to determine whether RCL leads to more frequent use of cannabis for sleep.