Sleep Wake Up! Here's an Episode About Sleep By John Kessler & John Maynard • Jan 17, 2013 Listen Listening... / 3:55 You won't be able to sleep after experiencing this thrilling episode.Learn who sleeps in the nude and many other fascinating things, with accompaniment from Bobby Lewis, Petula Clark, The Beatles and special cameos from The Three Stooges. Now you can WATCH RBR in living color ! Sleep: We all do it, but why? By Paige Browning • Apr 2, 2012 Amir jina / Flickr A scientist at Spokane’s Riverpoint campus has received a large grant to study one question: Why do humans sleep? Scientist Jonathan Wisor has received a $1.3 million grant from the National Institutes of Health to study how the brain processes glucose, which the body uses as a primary energy source.