It is said that long working hours adversely affect mental health, but not overtime itself, but lack of sleep due to long working hours and irregular diets impair mental health, Tenshi Watanabe of the Department of Psychiatry, Tokyo Medical University It became clear in the research of doctors, Tetsuyoshi Shimura and others.

 According to Tokyo Medical University, a research group led by Dr. Watanabe received anonymized data on stress checks from children's Mirai in the health care business, and analyzed responses regarding occupational stress, sleep status, and working hours.

 As a result, it was found that long working hours do not directly affect the mental and physical stress response.However, long working hours led to irregular diets and shortened sleep times, which led to depression and mental and physical stress reactions.

 The research group found that even if the working hours were shortened, the symptoms did not improve if sleep deprivation and irregular eating continued, but if sleeping hours were secured even if long working hours continued and the diet could be taken regularly, mental health It is expected that the impact on the company will be limited to a limited range.

 However, this study has not proved a causal relationship.The research group hopes to clarify the causal relationship in subsequent studies.

Paper information:[International Journal of Environmental Research and Public Health] Long Working Hours Indirectly Affect Psychosomatic Stress Responses via Complete Mediation by Irregular Mealtimes and Shortened Sleep Duration: A Cross-Sectional Study

Tokyo Medical University

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