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. 2025 Jan;19(1):e13641.
doi: 10.1111/eip.13641. Epub 2024 Dec 24.

The Role of Chronotypes and Perceived Stress on Sleep Quality in Undergraduates in Taiwan

Ren-Rong Chen  1 , Jia-Yin Syu  2   3 , Jeff Chien-Ta Chen  4 , Sue Jane Fetzer  5 , Esther Ching-Lan Lin  2
Affiliations

The Role of Chronotypes and Perceived Stress on Sleep Quality in Undergraduates in Taiwan

Ren-Rong Chen et al. Early Interv Psychiatry. 2025 Jan.

Abstract

Introduction: Chronotypes and perceived stress can predict psychiatric symptoms and affect sleep quality, though the relationships between these factors are not completely described. This study explores the influence of chronotypes and perceived stress on sleep quality among undergraduates.

Methods: An online survey was administered to a convenience sample of 110 undergraduates aged 18-23 years (mean age 20.32 ± 1.00) at a university in southern Taiwan, predominantly women and senior students. Three self-reporting instruments were used: the Munich Chronotype Questionnaire, the Perceived Stress Scale, and the Pittsburgh Sleep Quality Index. Multivariate regression analysis was performed to investigate the influence of chronotype and perceived stress on sleep quality in undergraduates.

Results: Sixty-one per cent of the respondents were poor-quality sleepers. Moreover, 85.5% of the respondents were classified as "neither" chronotype, whereas 13.6% were "evening" chronotype. Sleep quality was associated with both chronotype and perceived stress level (r = 0.41, 0.43, p < 0.01). Multiple regression revealed higher MCTQ scores (continuous or categorical) and higher perceived stress were significantly associated with poorer sleep quality, explaining approximately 30% of the variance (p < 0.001).

Conclusions: The findings of this study showed evening-type undergraduates with higher perceived stress exhibited poorer sleep quality. Highlight the importance of considering chronotype in health promotion among individuals transitioning to adulthood. Early interventions may help align an individual's chronotype with their external time schedule, mitigate the negative impacts of misaligned later chronotypes, enhance sleep quality, and help to manage perceived stress levels in undergraduates.

Keywords: chronotypes; perceived stress; sleep quality; undergraduates.

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