STATE OF AFFAIRS 12/13/10: Motor vehicle accidents due to tired rivers are thought to cost at least $48 billion a year, while fatigue saps $150 billion each year in lost productivity and mishaps. Being chronically sleep deprived increases your risk of everything from heart disease to diabetes to erectile dysfunction. And moderate to severe sleep apnea is a risk factor for mortality, even in studies that control for other risk factors. So, did you get a good night's sleep last night? Monday we'll learn about sleep disorders - what causes them, how they're treated, and how to tell if your tossing and turning could be a sign of something more serious. Listen to the Show