| Project/Area Number |
26560414
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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 |
Childhood science (childhood environment science)
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| Research Institution | Shiga University |
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Principal Investigator |
Ohira Masako 滋賀大学, 教育学部, 准教授 (40616190)
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| Project Period (FY) |
2014-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Keywords | 睡眠 / 子ども / 心拍数 / 唾液 / コルチゾール / DHEA / 発育・発達 / 唾液バイオマーカー / 活動量 / 幼児 |
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| Outline of Final Research Achievements |
In the present study, by analyzing salivary hormones in infants, we examined the effects of quality of sleep and health on post-awakening salivary hormone secretion. We also used a physical activity meter to examine the effects of daytime physical activity on the quality of sleep.
Our findings revealed that maintaining a sufficient amount of daytime physical activity may ease the awakening process the following day. Sufficient daily physical activity increases sleep efficiency and helps the body get a good rest during sleep. As a result, the pre-awakening activity of the sympathetic nerves increases, which improves the awakening process. This sequence of events leads to a well-rested feeling. Findings of this study support the common belief that exercising improves the quality of sleep.
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