Impact of Daily Rest Period on Resting Blood Pressure and Fatigue: A One-Month Observational Study of Daytime Employees.

Ikeda, Hiroki; Kubo, Tomohide; Izawa, Shuhei; Takahashi, Masaya; Tsuchiya, Masao; Hayashi, Norie; Kitagawa, Yuki · J Occup Environ Med · 2017

cross_sectional · Level IV

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Abstract

We aimed to examine the effects of the daily rest period (DRP) on resting blood pressure (BP) and fatigue and determine the optimal DRP for daytime workers. Fifty-four daytime employees participated in a 1-month observational study. BP was measured thrice at the workplace. Employees underwent a pre- and post-survey to determine the usual DRP and assess subjective health outcomes. To determine the optimal DRP, DRP criteria were set as 11, 12, 13, and 14 hours. Workers with a shorter DRP had high diastolic BP and fatigue. Diastolic BP was higher in the short group than in the long group for the 14-hour DRP criteria alone. Shorter DRP was associated with high diastolic BP. We recommend a longer DRP (≥14 hours) for improving workers' cardiovascular health.

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