Sleep Guide

Although we spend more than a third of our lives asleep, the the purpose of sleep is still largely unknown. This work sets out to give clear descriptions of the basic functions of normal sleep and of sleeping disorders.
What is the purpose of dreams,? what is the verdict on hypnotic drugs and what other therepautic aids exist for treating sleeping disorders: chronotherapy, phototherapy, melatonin, etc.?
Sleep is a complex and fragile state and its quality often reflects that of the waking state. A better understanding of its role and how it functions also provides us with insights into some problems in daily life.