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Sound sleep is the reason behind a perfectly balanced mental, physical and social well-being of people. Excess or lack of sleep could cause severe behavioral problems in human beings. Sleep disorders could be caused by stress, traumatic childhood experiences and hereditary factors. There are a number of problems and diagnostic methods related to sleep disorders. This book explains a wide variety of them such as obstructive sleep apnea, insomnia, etc. This book is compiled in such a manner, that it will provide an in-depth understanding of the concepts, diagnostic methods and emerging treatments related to sleep disorders. It provides comprehensive insights into the field of sleep related disorders. A number of latest researches have been included to keep the readers up-to-date with the global concepts in this area of study.