For nearly 30 years, Dr. Meir Kryger’s must-have guide to sleep medicine has been the gold standard in this fast-changing field. This essential, full-color reference includes more than 20 unique sections and over 170 chapters covering every aspect of sleep disorders, giving you the authoritative guidance you need to offer your patients the best possible care. For this updated 6th edition, extensive additional online material enhances the value of Principles and Practice of Sleep Medicine to your practice.