You will want to take the International Classification of Sleep Disorders, Second Edition, Pocket Version with you from the clinic to the bedside. This essential reference uses a single axis system and provides diagnostic criteria, essential features, polysomnographic findings, differential diagnosis and more for over sixty five sleep disorders. The ICSD-2 Pocket Version was edited from the original by the American Academy of Sleep Medicine’s Nosology committee, chaired by Dr. John Winkelman. Disorders are grouped into eight categories, such as "Insomnia," "Sleep Related Breathing Disorders" and "Circadian Rhythm Sleep Disorders." A section entitled “Pediatric Disorders" separates diagnoses common in children. Comprehensive, organized and user-friendly, the 140-page ICSD-2 Pocket Version will become an indispensable aid to the sleep specialist as well as clinicians who frequently encounter sleep disorders. It also provides current ICD-9 codes for billing.