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Association between Personality Traits and Sleep Quality in Young Korean Women

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  • Han-Na Kim
  • Juhee Cho
  • Yoosoo Chang
  • Seungho Ryu
  • Hocheol Shin
  • Hyung-Lae Kim

Abstract

Personality is a trait that affects behavior and lifestyle, and sleep quality is an important component of a healthy life. We analyzed the association between personality traits and sleep quality in a cross-section of 1,406 young women (from 18 to 40 years of age) who were not reporting clinically meaningful depression symptoms. Surveys were carried out from December 2011 to February 2012, using the Revised NEO Personality Inventory and the Pittsburgh Sleep Quality Index (PSQI). All analyses were adjusted for demographic and behavioral variables. We considered beta weights, structure coefficients, unique effects, and common effects when evaluating the importance of sleep quality predictors in multiple linear regression models. Neuroticism was the most important contributor to PSQI global scores in the multiple regression models. By contrast, despite being strongly correlated with sleep quality, conscientiousness had a near-zero beta weight in linear regression models, because most variance was shared with other personality traits. However, conscientiousness was the most noteworthy predictor of poor sleep quality status (PSQI≥6) in logistic regression models and individuals high in conscientiousness were least likely to have poor sleep quality, which is consistent with an OR of 0.813, with conscientiousness being protective against poor sleep quality. Personality may be a factor in poor sleep quality and should be considered in sleep interventions targeting young women.

Suggested Citation

  • Han-Na Kim & Juhee Cho & Yoosoo Chang & Seungho Ryu & Hocheol Shin & Hyung-Lae Kim, 2015. "Association between Personality Traits and Sleep Quality in Young Korean Women," PLOS ONE, Public Library of Science, vol. 10(6), pages 1-17, June.
  • Handle: RePEc:plo:pone00:0129599
    DOI: 10.1371/journal.pone.0129599
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    Cited by:

    1. Catie C. W. Lai, 2018. "The Mediating Role of Sleep Quality in the Relationship Between Personality and Subjective Well-Being," SAGE Open, , vol. 8(2), pages 21582440187, April.
    2. Xiaocen Jia & Yiqing Huang & Wenli Yu & Wai-Kit Ming & Fei Qi & Yibo Wu, 2022. "A Moderated Mediation Model of the Relationship between Family Dynamics and Sleep Quality in College Students: The Role of Big Five Personality and Only-Child Status," IJERPH, MDPI, vol. 19(6), pages 1-14, March.
    3. Marco Fabbri & Alessia Beracci & Monica Martoni, 2022. "Insomnia, Time Perspective, and Personality Traits: A Cross-Sectional Study in a Non-Clinical Population," IJERPH, MDPI, vol. 19(17), pages 1-15, September.

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