For some of us, a regular herbal nightcap makes slipping into sleep that much easier, and centuries of anecdotal evidence affirm the usefulness of weed as a sleep aid. Ancient Chinese pharmacology combined cannabis flower with datura to create the elegantly named “sagacious sleep powder,” or shui sheng san. Western medicine is now catching up, with research into cannabis and sleep on the rise.
But what about the effects of cannabis on dreaming?
