Getting Enough Sleep Can ‘Clean’ Your Brain, Decrease Your Alzheimer’s Risk

By Kaitlin Vogel, Sep 14, 2023

“The glymphatic system—active during the first half of the night, in slow wave sleep—is a major ‘power wash,’ for the brain, clearing it of all the toxins from a day of activity,” said Dr. Alex Dimitriu, double board-certified in Psychiatry and Sleep Medicine and founder of Menlo Park Psychiatry & Sleep Medicine. “This cleaning process is so powerful your brain is able to do little else during this time, and when this process is disrupted (as for older people in the hospital) – delirium can result. If this process continues, the risks for dementia increase – partly due to the lack of deep sleep and glymphatic cleaning.”

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