this post was submitted on 08 Apr 2026
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Science

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Sleep cleans the brain. Now, researchers have developed a fast, non-invasive way to measure the process (www.oulu.fi)
submitted 4 days ago by artifex@piefed.social to c/science@beehaw.org
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Researchers developed a method that allows the increased movement of brain fluids during sleep to be tracked quickly and safely. They found that 3 kinds of pulsations work together to remove unwanted materials from the brain during sleep.

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[–] SaveTheTuaHawk@lemmy.ca 0 points 4 days ago* (last edited 4 days ago)

CSF flow increases during REM, but it does not mean it causes REM sleep. If anything, it could trick the brain into thinking it was cleaned out.