Do You Really Need Seven Hours of Sleep?

Yep, you do. Although people do vary in how much sleep they need, the differences are slight, and the vast majority of us (including seniors) need seven to eight hours. Most people who regularly get less than seven hours of rest are simply unaware of the damage that fatigue and sleepiness is doing to their bodies. Chronic "short-sleepers," as scientists call them, have forgotten what it feels like to be well-rested, says Robert Rosenberg, medical director of the Sleep Disorders Center of Prescott Valley, in