6 Ways to Get a Better Sleep

Adults in America are chronically sleep deprived; one in three of us don't get enough sleep. At the same time, doctors are beginning to realize just how critical sleep is for human health.

"I used to say sleep was the third pillar [of health]," said Dr. Matthew Walker, director of the Sleep and Neuroimaging Laboratory at the University of California, Berkeley during an expert panel on sleep at Fortune's Brainstorm Health conference on Wednesday. "I was absolutely wrong. It's the foundation.