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Evaluation of Sleep Quality in a Disaster Evacuee Environment

Author

Listed:
  • Hitomi Ogata

    (Graduate School of Integrated Arts and Sciences, Hiroshima University, Hiroshima 739-8521, Japan)

  • Momoko Kayaba

    (Department of Somnology, Tokyo Medical University, Tokyo 160-0023, Japan)

  • Miki Kaneko

    (Graduate School of Engineering Science, Osaka University, Osaka 565-8531, Japan)

  • Keiko Ogawa

    (Graduate School of Integrated Arts and Sciences, Hiroshima University, Hiroshima 739-8521, Japan)

  • Ken Kiyono

    (Graduate School of Engineering Science, Osaka University, Osaka 565-8531, Japan)

Abstract

We aimed to evaluate sleep and sleep-related physiological parameters (heart rate variability and glucose dynamics) among evacuees by experimentally recreating the sleep environment of evacuation shelters and cars. Nine healthy young male subjects participated in this study. Two interventions, modeling the sleep environments of evacuation shelters (evacuation shelter trial) and car seats (car trial), were compared with sleep at home (control trial). Physiological data were measured using portable two-channel electroencephalogram and electrooculogram monitoring systems, wearable heart rate sensors, and flash glucose monitors. Wake after sleep onset (WASO) and stage shift were greater in both intervention trials than the control trial, while rapid-eye movement (REM) latency and non-rapid eye movement (NREM) 1 were longer and REM duration was shorter in the evacuation shelter trial than the control trial. Glucose dynamics and power at low frequency (LF.p) of heart rate variability were higher in the car trial than in the control trial. It was confirmed that sleep environment was important to maintain sleep, and affected glucose dynamics and heart rate variability in the experimental situation.

Suggested Citation

  • Hitomi Ogata & Momoko Kayaba & Miki Kaneko & Keiko Ogawa & Ken Kiyono, 2020. "Evaluation of Sleep Quality in a Disaster Evacuee Environment," IJERPH, MDPI, vol. 17(12), pages 1-12, June.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:12:p:4252-:d:371562
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    References listed on IDEAS

    as
    1. Koh Mizuno & Kazue Okamoto-Mizuno & Motoko Tanabe & Katsuko Niwano, 2016. "Sleep in a Gymnasium: A Study to Examine the Psychophysiological and Environmental Conditions in Shelter-Analogue Settings," IJERPH, MDPI, vol. 13(12), pages 1-13, November.
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    Cited by:

    1. Hitomi Ogata & Tomohiro Nishikawa & Momoko Kayaba & Miki Kaneko & Keiko Ogawa & Ken Kiyono, 2022. "Effect of Seat Angle when Sleeping in a Car on Quality of Sleep and Its Impact on Calculation Performance the Following Day," IJERPH, MDPI, vol. 19(19), pages 1-11, September.

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