Millions of Americans use marijuana to sleep, but new study raises troubling questions

A Northwestern Medicine study found that marijuana users had worse objectively measured sleep quality compared to non-users, even though the marijuana users reported perceiving their sleep as adequate. Researchers measured sleep using actigraphy and polysomnography, which track movement and brain activity during sleep. The study did not specify the number of participants, dosage amounts, or frequency of use examined.

• Fox News — Millions of Americans use marijuana to sleep, but new study raises troubling questions

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