Chapter 12.Sleep-Wake Disorders
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Excerpt
Sleep occupies about one-third of our lives and is essential to survival, yet its purpose remains a mystery. Prolonged sleep deprivation impairs thermal balance and energy regulation, causes cognitive impairment, and can contribute to death. It is no wonder that sleep complaints are among the most common that people report to their physicians. DSM-5 lists 12 sleep-wake disorders and several residual categories (see Table 12–1).
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