the impact of anxiety on sleep quality

abstract   background: a significant relationship between psychiatric disorders principally depression and anxiety and insomnia is well-known in general population. ahigh percent of insomnia sufferers report anxiety symptoms. anxiety is also frequently seen in medical patients whom complaints of sleep problems are often prominent.   method: 250 outpatients with various medical complaints participated in the study and completed pittsburgh sleep quality index(psqi) and beck anxiety inventory (bai).   results: the patients reported moderate anxiety on bai. significant correlations were found between anxiety and four components of sleep sleep quality, sleep latency, sleep duration and habitual sleep efficiency.   conclusion: the correlation of sleep complaints with anxiety symptoms indicated a high interrelatedness between anxiety and sleep complaints. insomnia is a disorder of hyperarousal. nonetheless inqury into mechanisms of arousal regulation could further explain the anxiety and sleep disorders as well.