Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A sleep disorder is a medical disorder of sleep patterns. Some sleep disorders are serious enough to interfere with normal physical, mental and emotional functioning. This book explores several sleeping disorders including sleepwalking, sleep apnea, night terrors, and more. You will also find information on the testing and diagnosis of sleep disorders. Project Webster represents a new publishing paradigm, allowing disparate content sources to be curated into cohesive, relevant, and informative books. To date, this content has been curated from Wikipedia articles and images under Creative Commons licensing, although as Project Webster continues to increase in scope and dimension, more licensed and public domain content is being added. We believe books such as this represent a new and exciting lexicon in the sharing of human knowledge.
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