Systematic evaluation of Axis-I DSM diagnoses in delayed sleep phase disorder and evening-type circadian preference.


BACKGROUND Alterations in circadian rhythms can have profound effects on mental health. High co-morbidity for psychiatric disorders has been observed in patients with circadian rhythm disorders, such as delayed sleep phase disorder (DSPD), and in those with an evening-type circadian preference. The aim of this study was to systematically determine the… (More)
DOI: 10.1016/j.sleep.2012.06.024


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