Long-Term Cannabis Use May Disrupt Sleep without Noticeable Symptoms

Long-term cannabis use may disrupt sleep without noticeable symptoms

Millions of Americans use cannabis products as sleep aids, but a new Northwestern Medicine study suggests marijuana may not improve sleep the way many people believe it does.

Long-Term Cannabis Use Linked to Worse Sleep, Wearable Study Finds

A 35-year Northwestern study found that long-term and recent cannabis use were linked to poorer objectively measured sleep quality, even though users did not perceive their sleep as worse.

Cannabis Destroys Sleep Quality

A 35-year study shows cannabis use links to fragmented, poor sleep measured by monitors, even though users believe they slept well.