| Budget Amount *help |
¥4,100,000 (Direct Cost: ¥4,100,000)
Fiscal Year 2001: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2000: ¥3,400,000 (Direct Cost: ¥3,400,000)
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| Research Abstract |
The purpose of this study is to investigate how the elderly persons adapt themselves to the sleep environment and bed climate on the daily life. The survey of questionnaire on the daily sleep, daily living action, bed room thermal conditions and bed climate have been conducted on about 600 persons from 20 years old to 80 years old in winter and about 1400 persons 20 years old to 80 years old in summer. Moreover, the bed and bed room temperature and relative humidity were measured on 10 female young and middle persons with thermometer to investigate residential bed room thermal environments on the daily life.
The wake time became earlier and the bed time became later with aging. Though the interruption frequency of sleep in the night sleep increased and the state of sleep changed with aging, the elderly persons reported more satisfactory in sleep and comfortable environment in bed and bed room with aging. In winter, here is significant difference in warming in the bed by electric blanket and foot warmer between male and female, and the frequency of using those remarkable increased with aging. But every age persons scasely used heating in their bedroom. In summer, there were more people who had cooler in their bed room with aging. But, thermal comfort vote of persons who cooled at their bedroom became lower at arise time than at bed time by using cooler.
The bed temperature at legs' area in sleep time was from 33℃ to 35℃. The bed temperature by electric blanket was upper 36℃, then the subject moved and got her legs out the futon.
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