Impact of Family Cohabitation Status and Work-From-Home on Sleep Problems Among Japanese Workers During the COVID-19 Pandemic: A Cross-sectional Study.

Fujii, Rintaro; Okawara, Makoto; Matsugaki, Ryutaro; Odagami, Kiminori; Hino, Ayako; Tateishi, Seiichiro; Tsuji, Mayumi; Yoshimura, Reiji et al. · J Occup Environ Med · 2025

cross_sectional · Level IV

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Abstract

This cross-sectional study examined the impact of family cohabitation status and work-from-home (WFH) on sleep during the COVID-19 pandemic. An online survey of 27,036 Japanese workers assessed WFH frequency, family cohabitation, and trouble sleeping to estimate odds ratios (ORs) for sleep problems from December 22 to 26, 2020. In multivariate analysis, WFH had no significant benefit for trouble sleeping ≥3 months. Interactions were observed between WFH and cohabitation with elementary school children (OR = 1.26, P = 0.049 for trouble sleeping ≥3 months) and with family members in need of care (OR = 1.39, P = 0.013 for trouble sleeping ≥3 days/week; OR = 1.37, P = 0.02 for trouble sleeping ≥3 months). The study suggests that the sleep disadvantage during the pandemic may have resulted from WFH with specific cohabitation.

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