| Project/Area Number |
15K12287
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Design science
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| Research Institution | Kyoto Institute of Technology |
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Principal Investigator |
KOYAMA Emi 京都工芸繊維大学, 情報工学・人間科学系, 教授 (80346121)
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| Co-Investigator(Kenkyū-buntansha) |
澤井 浩子 京都工芸繊維大学, 研究戦略推進本部ベンチャー支援室, 研究員 (60746767)
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| Research Collaborator |
HATTA Kazuhiro 京都工芸繊維大学, 大学院工芸科学研究科博士後期課程・設計工学専攻, 大学院生
WADA Yukina 京都工芸繊維大学, 大学院工芸科学研究科博士後期課程・設計工学専攻, 大学院生
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Keywords | 正常睡眠 / 主観的睡眠感 / 起床時眠気 / 起床前漸増光 / 受光要件 / 睡眠状態 / 寝具印象 / 睡眠満足度 / 入眠期 / 睡眠構造 / 目覚め感 / 受光量 / 分光分布 |
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| Outline of Final Research Achievements |
Psychophysiological concept of refreshing morning is investigated, and in order to design a bedroom environment leading to a refreshing morning, the requirement to reduce sleepiness at awaking by dawn simulated light before getting up was clarified. As a result, the subjective feeling of sleep related to the refreshing morning is brought about not only by sleepiness at awaking but also by the satisfaction of the whole sleep including the smoothness of sleep onset and the degree of sound sleep. And it is suggested that even in the same bedding environmental conditions, its impression is changing day by day. In addition, in the light exposure requirements of the gradually increasing light before getting up, it is suggested that a certain amount of light is required and that the subjective sleepiness at awaking is affected by the sleep state just before getting up. And human-related requirements such as usage conditions and user attributes are also observed.
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