"Fitting everything into an already overcrowded day can be like trying to jam a pizza box into a garbage bag. It may fit, but something’s got to give.
Much of the time, what’s giving is sleep. Instead of sacrificing a good book, a favorite television show, or a few extra minutes of social networking, people have found a way to stretch their days by stealing from their nights.
Most people need between seven and eight hours of sleep a day. Lisa Shives, MD, medical director of Northshore Sleep Medicine near Chicago, stretches the upper number to eight-and-a-half hours. But it’s the bottom number that most concerns her. “I think an hour less a night consistently is enough to start to see impairment in people’s cognition and mood,” she says."
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