Chronotype and anxiety are associated in patients with chronic primary insomnia
Data
2017
Autores
Passos, Giselle Soares 
Santana, Marcos Gonçalves de
Poyares, Dalva
D'Aurea, Carolina Vicaria Rodrigues
Teixeira, Alexandre Abílio de Souza
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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 Ostberg 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.
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Revista Brasileira De Psiquiatria. Sao Paulo, v. 39, n. 2, p. 183-186, 2017.