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.
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.
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.