Hot Heads: Why Mammals Need R.E.M. Sleep

Статья "Hot Heads: Why Mammals Need R.E.M. Sleep" в "The New York Times".

Sleeping fur seals toggle between two brain patterns: one while at sea, the other on land. Researchers suggest that R.E.M. sleep serves to warm the brain. 

https://www.nytimes.com/2018/06/07/science/seals-mammals-sleep-brain.html?hpw&rref=science&action=click&pgtype=Homepage&module=well-region®ion=bottom-well&WT.nav=bottom-well