Book excerpt: Master the basics of sleep medicine with this easy to read, award-winning text! Fundamentals of Sleep Medicine, 2nd Edition, by Drs. Richard B. Berry, Mary H. Wagner, and Scott M. Ryals, is an ideal resource for sleep medicine fellows and trainees, sleep technicians, and sleep medicine practitioners as a concise, clinically focused alternative to larger references. Beginning with core content, it then proceeds to information useful for everyday practice—all written in a clear, direct style designed for quick and easy access. - Features video content that demonstrates common sleep disorders. - Includes more than 350 updated multiple-choice questions and answers for self-assessment and board preparation. - New! Offers concise Key Points at the end of each chapter, expanding on information from Drs. Berry and Wagner's popular book Sleep Medicine Pearls to enhance your understanding. - Provides updated references to AASM scoring guidelines and diagnostic criteria for sleep disorders. - Illustrated with numerous diagrams, charts, and polysomnograms (sleep studies) to clarify complex concepts. - Any additional digital ancillary content may publish up to 6 weeks following the publication date.