Poor sleep is associated with negative mood in women with bipolar disorder, according to researchers at Penn State College of Medicine and University of Michigan Medical School.
Sleep problems are common in people with bipolar disorder, and poor sleep quality and bipolar disorder appear to exacerbate each other. Previous research shows that poor sleep quality is a symptom of depressive and manic episodes, and that lack of sleep can trigger mania.
The researchers analyzed data from 216 participants in the Prechter Longitudinal Study of Bipolar Disorder at the University of Michigan Medical School. They looked at the effect of sleep quality at the beginning of the study on mood outcome over the next two years. Mood outcome was measured by the severity, frequency and variability of depressive or manic symptoms.
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From News Medical