Possibly related: https://www.scientificamerican.com/article/deep-sleep-gives-your-brain-a-deep-clean1/ https://www.scientificamerican.com/article/deep-sleep-gi

Possibly related: https://www.scientificamerican.com/article/deep-sleep-gives-your-brain-a-deep-clean1/ https://www.scientificamerican.com/article/deep-sleep-gives-...