Dyssomnias
Dyssomnias
Dyssomnias are primary disorders of initiating or maintaining sleep or of excessive sleepiness and are characterized by a disturbance in the amount, quality, or timing of sleep. This section includes Primary Insomnia, Primary Hypersomnia, Narcolepsy, Breathing-Related Sleep Disorder, Circadian Rhythm Sleep Disorder, and Dyssomnia Not Otherwise Specified.
Reprinted with permission from the
Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text RevisionTM.
Copyright 2000 American Psychiatric Association. All Rights Reserved.