Evaluation of thermal environment considering the effects of body movement during sleep

Yuichi Akiyama, Risa Inoue, Yuka Takeuchi, Masayuki Ogata, Kazuyo Tsuzuki, Shin Ichi Tanabe

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

To accurately evaluate the thermal environment during sleep, it is necessary to consider the influence of body movements. In this study an experiment in a climate chamber and a field survey in actual bedrooms was conducted. In the experiment, the thermal insulation with various combinations of sleeping postures and bedclothes, and the heat flux on the back were measured. By considering the thermal insulation and the heat conduction during sleeping, the accuracy of the thermal environment evaluation improved. As a result, it was found that there was a significant increase in wake after sleep onset away from thermal neutral.

Original languageEnglish
Pages (from-to)831-838
Number of pages8
JournalJournal of Environmental Engineering (Japan)
Volume83
Issue number752
DOIs
Publication statusPublished - 2018 Oct

Keywords

  • Sleep
  • Thermal conductance
  • Thermal environment evaluation
  • Total thermal insulation
  • Wake after sleep-onset

ASJC Scopus subject areas

  • Environmental Engineering

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