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Irregular Work Hours and the Risk of Sleep Disturbance Among Korean Service Workers Required to Suppress Emotion

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  • Sehyun Yun

    (Department of Occupational and Environmental Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Korea
    The Institute for Occupational Health, Yonsei University College of Medicine, Seoul 03722, Korea
    Graduate School of Public Health, Yonsei University College of Medicine, Seoul 03722, Korea)

  • Minsuk Kim

    (Department of Occupational and Environmental Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Korea
    The Institute for Occupational Health, Yonsei University College of Medicine, Seoul 03722, Korea
    Graduate School of Public Health, Yonsei University College of Medicine, Seoul 03722, Korea)

  • Won-Tae Lee

    (Department of Occupational and Environmental Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Korea
    The Institute for Occupational Health, Yonsei University College of Medicine, Seoul 03722, Korea
    Graduate School of Public Health, Yonsei University College of Medicine, Seoul 03722, Korea)

  • Jin-Ha Yoon

    (Graduate School of Public Health, Yonsei University College of Medicine, Seoul 03722, Korea
    Department of Preventive Medicine, Yonsei University College of Medicine, Seoul 03722, Korea)

  • Jong-Uk Won

    (Department of Occupational and Environmental Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Korea
    The Institute for Occupational Health, Yonsei University College of Medicine, Seoul 03722, Korea
    Graduate School of Public Health, Yonsei University College of Medicine, Seoul 03722, Korea)

Abstract

Although a necessity in a modern society, irregular work schedule can lead to sleep problems. We investigated the effect of work schedule irregularity on sleep disturbance of 17,846 Korean service workers using the fifth Korean Working Conditions Survey. The odds ratio (OR) and 95% confidence interval (CI) for sleep disturbance occurrence were calculated through a multiple logistic regression model. The adjusted ORs for moderate and severe sleep disturbances for those with irregular work hours were 2.11 (95% CI 1.90–2.33) and 3.10 (95% CI 2.62–3.66), respectively. Work schedule irregularity and emotion suppression at work showed synergistic effect on both moderate and severe sleep disturbances. Sleep disturbances can lead to brain function deterioration and work-related injuries; therefore, appropriate measures should be addressed for the vulnerable population.

Suggested Citation

  • Sehyun Yun & Minsuk Kim & Won-Tae Lee & Jin-Ha Yoon & Jong-Uk Won, 2021. "Irregular Work Hours and the Risk of Sleep Disturbance Among Korean Service Workers Required to Suppress Emotion," IJERPH, MDPI, vol. 18(4), pages 1-12, February.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:4:p:1517-:d:494448
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    References listed on IDEAS

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    1. Clifford B. Saper & Thomas E. Scammell & Jun Lu, 2005. "Hypothalamic regulation of sleep and circadian rhythms," Nature, Nature, vol. 437(7063), pages 1257-1263, October.
    2. Won-Tae Lee & Sung-Shil Lim & Jihyun Kim & Sehyun Yun & Jin-Ha Yoon & Jong-Uk Won, 2020. "Work Schedule Irregularity and the Risk of Work-Related Injury among Korean Manual Workers," IJERPH, MDPI, vol. 17(20), pages 1-10, October.
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