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A short conversational excerpt from a YouTube video in which Ben Greenfield and Andrew discuss substances that impair REM sleep and sleep quality. Ben states that THC (commonly used in edibles) reduces sleep latency but decreases REM sleep by roughly 10–15%, leading to less dreaming and reduced memory/emotional processing; he also names diazepam as another REM-suppressing agent.
Questions this video answers
Approximately 10–15% (Ben Greenfield's statement).










