"How Sleep Clears the Brain" (literally, actual "stuff" is removed) https://www.nih.gov/news-events/nih-research-matters/how-sleep-clears-brain https://www.nih

"How Sleep Clears the Brain" (literally, actual "stuff" is removed) https://www.nih.gov/news-events/nih-research-matters/how-sleep-clears-brain https://www.nih.gov/news-events/nih-research-matters/how-sle...