Why are we so sleep deprived, and why does it matter?

By Michael S. Jaffee, Vice chair, Department of Neurology, University of Florida. As many as 70 million Americans may not be getting enough sleep. Men get fewer hours of sleep than women. Akos Nagy/Shutterstock.com As we prepare to “spring forward” for daylight saving time on March 11, many of us dread the loss of the hour’s…