July 6, 2009

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Primary Insomnia

Primary Insomnia Overview

Primary insomnia is sleeplessness that cannot be attributed to a medical, psychiatric, or environmental cause (such as drug abuse or medications). It is characterized by the following:

  • A 1-month or longer history of at least one of the following: a) difficulty initiating or maintaining sleep or b) nonrestorative sleep.

  • Sleep disturbance (or associated daytime fatigue) causing significant distress or impairment in social, occupational, or other important areas of functioning.



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Primary insomnia is sleeplessness that is not attributable to a medical, psychiatric, or environmental cause.

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