. . . a magnificent book that takes us into the future of sleep medicine. . . This volume will teach how to interact with the patient, how we illicit important signs and symptoms, and will help the doctor know how and be confident in the diagnosis and management of patients who may not require the services of a specialist, and when to refer for specialist care. Meir Kryger, Professor, Yale School of Medicine, Co-Editor, Principles and Practice of Sleep Medicine