In "The Promise of Sleep", world-renowned sleep authority William C. Dement offers a definitive guide providing the information necessary to reap the benefits of a good night's sleep. Drawing on decades of experience, Dr. Dement explains what happens when we sleep, taking us on a fascinating tour of the sleeping body and mind. Exploring sleep's surpassingly powerful effect on overall health, from the immune system to psychological well-being, readers will learn the many ways that sleep loss and deprivation can put them in harm's way, inhibiting motivation, creativity, and vitality.

Imparting wisdom gained through years of sleep lab experience, Dr. Dement reveals the seven principles of healthy sleep, and gives hands-on advice on such popular topics as sleep disorders and their cures, the role of prescription and over-the-counter sleeping aids, recovery from jet lag, the power of naps, and more. With "The Promise of Sleep", readers will learn not only how to discover how much sleep they truly need, but how to get it -- and why their lives will improve once they do.