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(See also Sleep Apnea; for sleep problems in children, see Approach to the Care of Normal Infants and Children: Sleeping in Infants and Children.)

Almost half of all people in the US report sleep-related problems. Disordered sleep can cause emotional disturbance, memory difficulty, poor motor skills, decreased work efficiency, and increased risk of traffic accidents. It can even contribute to cardiovascular disorders and mortality.

Last full review/revision April 2008 by Karl Doghramji, MD

Content last modified April 2008