Science

Scientists find surprisingly little evidence that medical cannabis helps you sleep

A major new review challenges the growing enthusiasm for medical cannabis as an insomnia treatment, finding little reliable evidence that it improves sleep quality, sleep duration, or daytime functioning.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 2, 2026, 1:46 AM UTC

Researchers caution that this doesn't mean cannabis is ineffective, only that existing studies are too weak to establish whether it works.

How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →

Advertisement

Every article behind this summary — 1 article from 1 outlet