Marcie Sillman talks with University of Washington's Sleep Disorders Center co-director Dr. Nathaniel Watson about his new research into the importance of sleep.
You Can't Get Enough Of Sleep, UW Study Shows

Flickr Photo/Tony Alter (CC-BY-NC-ND)
Marcie Sillman talks with University of Washington's Sleep Disorders Center co-director Dr. Nathaniel Watson about his new research into the importance of sleep.