Prevalence, Associated Risks, and Treatment Patterns of Insomnia
J Clin Psychiatry 2005;66(suppl 9):10-13
© Copyright 2015 Physicians Postgraduate Press, Inc.
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Insomnia, the most commonly reported sleep problem, affects about one third of the adult American
population. Insomnia impairs the individual’s functioning, diminishes his or her quality of life,
and contributes to accidents, health care costs, and problems at work. Insomnia is frequently comorbid
with physical and mental illness, as either a consequence or a contributing factor. In particular,
considerable research supports a strong association between insomnia and depression. Because the
majority of individuals who have trouble sleeping attempt to treat the problem independently using
over-the-counter medications or alcohol, insomnia is undertreated by health care providers, despite its