Product Description: This title is useful for people who snore. People with severe sleep apnea may struggle for breath all through the night, not breathing for as long as 90 seconds at a time during their sleep. This syndrome, which affects at least four percent of men and two percent of women, can cause daytime fatigue, traffic and work accidents, deteriorating cognitive abilities, and cardiovascular problems...read more (view table of contents, read Amazon.com's description)

An overview of the nature of sleep discusses the field of sleep research, sleep disorders and their treatments, and the sleep patterns of children and the elderly (view table of contents)