What is the role of polysomnography in the workup of autism spectrum disorder (ASD)?

Updated: Sep 30, 2019
  • Author: James Robert Brasic, MD, MPH; Chief Editor: Caroly Pataki, MD  more...
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Polysomnography may facilitate the diagnosis of treatable comorbid disorders. Most children with autism have sleep disturbances, including early morning awakening, frequent arousals, and fragmented sleep. [130] Additionally, children with autism often display prolonged sleep onset and abnormal sleep architecture. Polysomnography may be useful not only in identifying sleep disorders, but also in demonstrating seizure discharges.

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