Chronotype and anxiety are associated in patients with chronic primary insomnia

Objective: To assess the interaction of chronotype with anxiety in patients with chronic primary insomnia. Methods: Sixty-four patients (50 women) with mean age 43.9±8.1 years were investigated with the Horne and Östberg Morningness-Eveningness Questionnaire (MEQ) and State-Trait Anxiety Inventory (STAI). Results: Significant negative correlations of chronotype-MEQ score with STAI state-anxiety (r = -0.40, p < 0.05), STAI trait-anxiety (r = -0.40, p < 0.05), and STAI pre-sleep state anxiety (r = -0.30, p < 0.05) were observed. Eveningness preference was associated with higher trait, state, and pre-sleep state anxiety. Conclusions: These results suggest that chronotype may be an important parameter to identifying the origin and significance of a vicious anxiety-insomnia-depression cycle in patients with chronic primary insomnia.

Bibliographic Details

Main Authors:	Passos,Giselle S., Santana,Marcos G., Poyares,Dalva, D’Aurea,Carolina V., Teixeira,Alexandre A., Tufik,Sergio, de Mello,Marco T.
Format:	Digital revista
Language:	English
Published:	Associação Brasileira de Psiquiatria 2017
Online Access:	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-44462017000200183
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