Chapter

The epidemiology of sleep and depression

S. Weich

in Sleep, Health and Society

Published in print September 2010 | ISBN: 9780199566594
Published online January 2011 | e-ISBN: 9780191595066 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199566594.003.0008

Series: Epidemiology: From Aetiology to Public Health

The epidemiology of sleep and depression

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Sleep disturbances, and insomnia in particular, are extremely common in depression and vice versa. These conditions co-occur more often than each occurs on its own. Insomnia, hypersomnia, and fatigue are also diagnostic criteria for depressive disorders. Longitudinal studies have demonstrated that sleep disturbances often begin before the onset of other depressive symptoms. Insomnia may (adversely) affect the response to treatment of depression and, if residual, predict depressive relapse. Early evidence suggests that persistent insomnia may increase the risk of suicide among people who are depressed. Even if not causally related to depression, better methods for recognizing sleep disturbance in populations might assist in the early detection of depression or in identifying those at high risk of suicide.

Keywords: depression; insomnia; suicide; sleep disturbance; fatigue; hypersomnia

Chapter.  7602 words. 

Subjects: Public Health and Epidemiology

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