Experimental study on effects of exposure to a radiant cooling system of ceiling during sleeps in a hospital

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  • 病室における睡眠時の天井放射冷房に関する実験的研究
  • ビョウシツ ニ オケル スイミンジ ノ テンジョウ ホウシャ レイボウ ニ カンスル ジッケンテキ ケンキュウ

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This study was designed to record some psychological and physiological responses to evaluate the effects of such responses by a radiant cooling system of ceiling in a hospital on the quality of sleep and. Two male subjects and two female subjects were used. They were exposed from 26℃ to 28℃ and 30℃ in the radiant cooling system of the ceiling. Heart rate and body temperature were continuously recorded during the experimental period of 8 hours. Quality of sleep was subjectively evaluated with the OSA sleeping questionnaire soon after the subjects woke up. As a result, when paying attention to autonomic nervous system, air temperature controlled at 26℃ was found to be better than 28℃ and 30℃. On the other hand, when paying attention to feeling of sleep, air temperature controlled at 28℃ was found to be better than 26℃ and 30℃.

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