Sociomedical problems of overwork-related deaths and disorders in Japan

M Takahashi - Journal of occupational health, 2019 - academic.oup.com
Objectives Cerebrovascular and cardiovascular diseases (CCVDs) and mental disorders,
including suicide, are prevalent among overworked individuals in Japan. The 2014 …

The impact of a mobile app-based corporate sleep health improvement program on productivity: Validation through a randomized controlled trial

Y Kawata, S Kuroda, H Owan - PloS one, 2023 - journals.plos.org
Based on a randomized controlled trial applied to employees of a manufacturing company,
this study examines the extent to which a corporate sleep program improves workers' sleep …

The joint association of daily rest periods and sleep duration with worker health and productivity: a cross-sectional web survey of Japanese daytime workers

H Ikeda, T Kubo, S Izawa, N Nakamura-Taira… - International Journal of …, 2022 - mdpi.com
A daily rest period (DRP) is a daily inter-work interval that contains sleep opportunity. This
study investigates the joint association of DRP and sleep duration with worker health and …

Overtime working patterns and adverse events in work-related suicide cases: hierarchical cluster analysis of national compensation data in Japan (fiscal year 2015 …

Y Nishimura, T Yamauchi, T Sasaki… - International archives of …, 2022 - Springer
Background Although various work-related adverse events affect workers' mental health, the
association between long working hours and mental disorders remains unclear. We …

Prospective changes in sleep problems in response to the daily rest period among Japanese daytime workers: A longitudinal web survey

H Ikeda, T Kubo, T Sasaki, Y Nishimura… - Journal of Sleep …, 2022 - Wiley Online Library
The daily rest period (DRP) is the daily inter‐work interval and can include a sleep
opportunity, leisure time, and other non‐work time. A longer DRP may allow workers to …

[HTML][HTML] Effect of occupation on sleep duration among daytime Japanese workers: A cross-sectional study

T Kakamu, T Hidaka, Y Masuishi, H Kasuga, S Endo… - Medicine, 2021 - journals.lww.com
Occupation is one of the factors contributing to the loss of sleep. Although many studies
have investigated sleep loss due to irregular and nighttime shifts, the causes of sleep loss in …

Day‐to‐day variations in daily rest periods between working days and recovery from fatigue among information technology workers: one‐month observational study …

T Kubo, S Izawa, M Tsuchiya, H Ikeda… - Journal of …, 2018 - Wiley Online Library
Background The European Union's Working Time Directive stipulates recovery periods as
“Eleven consecutive hour daily rest periods (DRPs) between working days.” In Japan …

Effects of work-related electronic communication during non-working hours after work from home and office on fatigue, psychomotor vigilance performance and …

H Ikeda, T Kubo, Y Nishimura, S Izawa - … and environmental medicine, 2023 - oem.bmj.com
Objectives This study examined the effects of work-related electronic communication
(WREC) during non-working hours in the work from home or office setting on health …

Sleep restriction alters the integration of multiple information sources in probabilistic decision‐making

JYL Lim, JM Boardman, C Anderson… - Journal of Sleep …, 2024 - Wiley Online Library
The detrimental effects of sleep loss on overall decision‐making have been well described.
Due to the complex nature of decisions, there remains a need for studies to identify specific …

The association between work interval regularity and sleep regularity: a 2-week observational study in daytime employees

H Ikeda, T Kubo - Journal of Occupational Health, 2024 - academic.oup.com
Objectives: Several health issues are associated with irregular sleep patterns. However, it is
unclear what causes workers to sleep irregularly. The work interval (WI) between the end of …