How to beat insomnia by resetting your bedtime routine

When sleep problems becomes chronic, it can morph into psychophysiological insomnia: As you prepare for bed, you begin to get nervous about sleeping. In this video, David Schulman, MD, director of the Emory Sleep Disorders Laboratory in Atlanta, explains how the body reacts to the expectation of insomnia. He offers simple changes you can make to help break the cycle.