An estimated 100 million Americans suffer from some sort of sleep problems, occurring from infancy to old age. Insomnia affects mental and physical health and can contribute to driving accidents, illness, and depression. This new edition presents the latest research on sleep disorders, covering many different recommendations and approaches. Stress induced insomnia, physical disorders, and environment related insomnia are explored in language accessible to the general reader, permitting readers to become their own sleep therapists.