Association Between Telecommuting Preference-Frequency Mismatch and Insomnia Among Japanese Workers in the COVID-19 Pandemic: A Prospective Cohort Study.

Objective: We hypothesized that telecommuting's impact on sleep varied based on preference-frequency mismatch. Here, we evaluated this relationship in a large cohort of Japanese workers.
Methods: We collected data from 33,302 Japanese workers through an online survey and analyzed participant preferences and frequency of telecommuting in 9425 individuals who responded to a follow-up survey. We evaluated sleep using the Athens Insomnia Scale and estimated odds ratios of insomnia using multilevel logistic regression.
Results: Workers preferring telecommuting had a higher risk of insomnia as telecommuting frequency decreased. OR for insomnia was 1.87 ( P < 0.001) in those who telecommuted less than once per week.
Conclusion: Telecommuting's impact on workers' sleep depends on preference mismatch, with a higher risk of insomnia among those who prefer telecommuting but are unable to utilize it.
Competing Interests: Conflicts of interest statement: All authors declare no conflicts of interest for this article.
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