Sleep Disorders: Evaluation and TreatmentAbout This Hardback The medical disorder which affects the sleep patterns of a person is referred to as a sleep disorder. It can often interfere with the normal physical, social and emotional functioning of a person. It is commonly diagnosed with the help of tests such as polysomnography and actigraphy. Sleep disorders are classified into various categories namely dyssomnias, parasomnias and circadian rhythm sleep disorders. The condition where a
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