Symptoms
The predominant complaint is difficulty initiating or maintaining
sleep, or nonrestorative sleep, for at least 1 month.
The sleep disturbance (or associated daytime fatigue) causes clinically
significant distress or impairment in social, occupational, or
other important areas of functioning.
The sleep disturbance does not occur exclusively during the course
of Narcolepsy, Breathing-Related Sleep Disorder, Circadian Rhythm
Sleep Disorder, or a Parasomnia.
The disturbance does not occur exclusively during the course of
another mental disorder (e.g., Major Depressive Disorder, Generalized
Anxiety Disorder, a delirium).
The disturbance is not due to the direct physiological effects
of a substance (e.g., a drug of abuse, a medication) or a general
medical condition.
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