• Rationale and Comments

    Chronic insomnia is diagnosed by a clinical evaluation that includes a thorough sleep history along with a medical, substance, and psychiatric history. Some instruments can be helpful at the clinical encounter; these include self-administered questionnaires, sleep logs completed at home, and symptom checklists. Although polysomnography may confirm self-reported symptoms of chronic insomnia, it does not provide additional information necessary for diagnosis of chronic insomnia. However, polysomnography is indicated in some specific circumstances; for example, when sleep apnea or sleep-related movement disorders are suspected, the initial diagnosis is uncertain, behavioral or pharmacologic treatment fails, or sudden arousals occur with violent or injurious behavior.

    Sponsoring Organizations

    • American Academy of Sleep Medicine


    • Expert consensus


    • Neurologic
    • Psychiatric and Psychologic


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