Research: Cannabinoid may be first drug for sleep apnea, Sleep - Official Publication of the Sleep Research Society (Jan 2018)

"Dronabinol, a synthetic form of the cannabis compound tetrahydrocannabinol (THC), shows efficacy in the treatment of obstructive sleep apnea, possibly representing a first pharmacologic approach to the tough-to-treat, but potentially serious, condition." Summary here. Full study originally published in the January 2018 issue of Sleep.