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.