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 19 hours 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 2 points 12 hours ago* (last edited 12 hours 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.