A third of your life is spent in sleep, or at least trying to fall asleep. But for 50 million Americans suffering from sleeping disorders, many are falling short on sleep and it's disrupting their bodies and brain.

Guests:

Dr. Susan Redline, senior physician in the Division of Sleep Medicine at Brigham and Women's Hospital

Monica Reinagel, nutritionist and host of the Nutrition Diva podcast

Phil Pierce, martial artist, fitness coach and author of Fighting Fit: Your Ultimate Martial Arts Fitness and Exercise Guide