Now in its second edition, this volume is the classic all-inclusive reference for sleep professionals around the world. Contributed by leading authorities, the new edition continues to provide a well-organized guide to the diagnosis and treatment of the major categories of sleep disorders-including insomnia, circadian rhythm disorders, narcolepsy, and parasomnias. Supported by tables and figures throughout, each disorder is covered in depth to help sleep professionals determine the key features of a specific disorder, distinguish each disorder from other sleep or medical disorders, and explore the range of treatments used in the management of each condition.