Summary: <p>[2012-11-19 12:00:00] How do circadian rhythms and our exposure to light and dark influence both the quality of our sleep and resulting moods? We’ll find out this hour with Michael Terman, PhD., Director of the Center for Light Treatments and Biological Rhythms at Columbia University Medical Center and co-author of the new book “Chronotherapy: Resetting Your Inner Clock to Boost Mood, Alertness, and Quality Sleep” (Avery, 2012).</p>
