Effect of thermal environment on sleep quality in actual bedroom in summer by sleep stages analysis

Yuichi Akiyama, Emika Miyake, Riho Matsuzaki, Masayuki Ogata, Kazuyo Tsuzuki, Shinichi Tanabe

    Research output: Contribution to journalArticle

    Abstract

    This field survey was conducted during the summer in actual bedrooms, and used polysomnography to evaluate how the thermal environment affected sleep quality. Sleep quality was evaluated by analyzing electroencephalogram, electro-oculogram, and electromyogram signals, which were measured continuously during sleep. It was found that the effect of the thermal environment i.e., air temperature, velocity and turbulence, on sleep quality varied according to the sleep cycle and stages. In relation, the effect of air turbulence depends mainly on the air temperature. Air turbulence affected sleep when temperatures were low or neutral. Under warm temperatures, air turbulence had few effect on sleep.

    Original languageEnglish
    Pages (from-to)277-284
    Number of pages8
    JournalJournal of Environmental Engineering (Japan)
    Volume83
    Issue number745
    DOIs
    Publication statusPublished - 2018 Mar 1

    Fingerprint

    Turbulence
    Air
    Temperature
    Electroencephalography
    Sleep
    Hot Temperature

    Keywords

    • Electroencephalogram
    • Field survey
    • Sleep
    • Thermal environment wake after sleep-onset

    ASJC Scopus subject areas

    • Environmental Engineering

    Cite this

    Effect of thermal environment on sleep quality in actual bedroom in summer by sleep stages analysis. / Akiyama, Yuichi; Miyake, Emika; Matsuzaki, Riho; Ogata, Masayuki; Tsuzuki, Kazuyo; Tanabe, Shinichi.

    In: Journal of Environmental Engineering (Japan), Vol. 83, No. 745, 01.03.2018, p. 277-284.

    Research output: Contribution to journalArticle

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