Posted on March 5th, 2020 by Dr. Francis Collins Discovering the Brain's Nightly "Rinse Cycle" Getting plenty of deep, restful sleep is essential for our physical and mental health. Now comes word of yet another way that sleep is good for us: it triggers rhythmic waves of blood and cerebrospinal fluid (CSF) that appear to function much like a washing machine's rinse cycle, which may... Read More ... Follow Dr. Collins on Twitter Get posts via RSS Feed Update Your E-mail Address | Add Subscriptions | Unsubscribe If you have questions or problems with the subscription service, please contact subscriberhelp.govdelivery.com. For all other inquiries about NIH programs and activities, please contact Ask NIH. Before writing, please view our Frequently Asked Questions page, our Health Information page, or Search our website. This service is provided to you by the National Institutes of Health. NIH…Turning Discovery Into Health®      This email was sent to ymilov@gmail.com using GovDelivery Communications Cloud on behalf of: National Institutes of Health (NIH) · 9000 Rockville Pike · Bethesda MD 20892 · 301-496-4000 / TTY 301-402-9612