What is it about?
In a survey of Tokyo metropolitan residents, Osaka Metropolitan University researchers found that long commuting times predicted insomnia and daytime sleepiness, while small living spaces also predicted insomnia.
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Why is it important?
Public health research has identified long commutes, noise, and light pollution from densely populated living environments as factors that impair sleep. While such metropolitan housing offers advantages in commuting time, its livability is far less than the suburbs. To find a balance between convenience and sleep, urban architecture research, which examines the relationship between housing location, size, and sleep health, could help answer the question of “Where and what size home should one have for better sleep?”
Perspectives
Housing choices and supply that consider the trade-off between location and size may help improve the sleep health of commuters and reduce sleep-related economic losses in metropolitan areas.
Daisuke Matsushita
Osaka Shiritsu Daigaku
Read the Original
This page is a summary of: Commuting time, residential floor area, and their associations with insomnia and daytime sleepiness among residents of the Tokyo metropolitan area: a cross-sectional study, Journal of Transport & Health, October 2025, Elsevier,
DOI: 10.1016/j.jth.2025.102156.
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