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Essentials of Polysomnography is a 615-page full color text designed specifically for sleep technicians and professionals. This textbook is written by William H Spriggs, who wrote the first edition of Principles of Polysomnography, a textbook for sleep technicians that is used in hospitals, sleep labs, physician offices, and colleges and universities around the world. This author's latest book is the first to include the new recording and scoring rules presented in 2007, as well as the latest sleep disorder definitions and categorization presented in 2005. This text is designed around the board exam for sleep technicians, and includes 500 questions with answer and explanations. It is also ideal for training new sleep technicians and students interested in studying polysomnography, as well as physicians, sleep lab managers, DME reps, and sleep lab front office staff members.

Principles of Polysomnography, a 450-page full-color textbook for sleep technicians, is the primary text used for the sleep disorders program at Weber State University in Ogden, Utah. It was developed by a team of registered polysomnographers with a wide variety of specialties. The text was designed around the board exam for sleep technicians, and includes 600 practice questions with answers and explanations patterned after the board exam. Included with the textbook is a CD-ROM with 36 video clips to aid in training technicians. These videos accompany the text and provide interactive training for sleep technicians and students.