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A comment on Improving deep sleep may prevent dementia, study finds. Parent comment

Re:Improving deep sleep may prevent dementia, study finds by f38zf5vdt on Wednesday November 01, 2023 @11:47AM (#38099905)
The study is about duration of deep sleep, not quality. And that's an easy one, you can increase the amount of deep sleep with cannabis.

> Cannabis users demonstrated significantly longer sleep latency and less REM sleep overall; no other differences occurred in objective sleep measures between groups.

https://bmjopenrespres.bmj.com/content/6/Suppl_1/A23.1

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Re:Improving deep sleep may prevent dementia, study finds by joveian on Wednesday November 01, 2023 @02:55PM (#38103133)
Your link does not support your statement, which may not be the case. Even your quoted bit suggests that cannabis just caused less REM sleep that was replaced by taking longer to get to sleep. I couldn't find a particularly good citataion but some say that THC doesn't affect deep sleep (N3) while CBD actually reduces it. All say that the situation is unclear and needs more research.
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