SLEEP IS GOOD FOR YOUR BRAIN

http://www.washingtonpost.com/national/health-science/brains-flush-toxic-waste-in-sleep-including-alzheimers-linked-protein-study-of-mice-finds/2013/10/19/9af49e40-377a-11e3-8a0e-4e2cf80831fc_story.html?wpisrc=nl_headlines