This question-and-answer formatted book provides a complete yet focused review of sleep medicine. It is geared to physicians who wish to assess their knowledge of sleep medicine and will be of interest to neurologists, pulmonologists, psychiatrists, otolaryngologists, and respiratory and sleep technologists. The distribution of questions mimics the sleep medicine boards. The book focuses on sleep evaluation and provides strong coverage of sleep physiology. Detailed explanations and educational objectives accompany every answer.