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- KOBAYASHI Fumio
- Aichi Medical University School of Medicine
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- YAMAMOTO Keiko
- Aichi Medical University School of Medicine
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- TSUBOI Hirohito
- Aichi Medical University School of Medicine
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- HORI Reiko
- Aichi Medical University School of Medicine
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- WATANABE Misuzu
- Aichi Medical University School of Medicine
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- AKAMATSU Yasuhiro
- Aichi Medical University School of Medicine
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- TOMITA Teruyuki
- Aichi Medical University School of Medicine
書誌事項
- タイトル別名
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- Five-Hour Sleep Restriction for 7 Days Increases Subjective Sleepiness
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We investigated the effects of a 5-h sleep restriction for 7 d on subjective sleepiness in an ambulatory condition by comparing them with baseline conditions consisting of an 8-h sleep for 7 consecutive days. Subjects were 13 healthy male students (mean age 21.1 yr). Each subject was required to get 8 h of sleep (baseline, from 2300 to 0700) for 7 d, and 5 h of sleep (sleep restriction, from 0100 to 0600) for 7 d in an ambulatory condition. The order of the two sleep schedules was randomly assigned. Subjective sleepiness was assessed by a Visual Analog Scale (VAS) every 3 h at 0900, 1200, 1500, 1800, and 2100 for 7 successive days during each sleep schedule. The VAS score during sleep restriction gradually increased up to the 5th day and then reached a plateau. The patterns of time-course changes in the VAS score were similar to those at baseline. The VAS scores showed a peak at 0900, taking a dip at 1200, and then gradually increasing toward 2100. The mean VAS score of the last three days of the 5-h sleep restriction was significantly higher than that at baseline (p<0.001). A 5-h sleep restriction for 7 d in an ambulatory condition increased subjective sleepiness up to the 5th day and then reached a plateau. The patterns of the time-course changes in sleepiness of 5-h sleep restriction per day did not differ from that at baseline.<br>
収録刊行物
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- Industrial health
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Industrial health 45 (1), 160-164, 2007
独立行政法人 労働者健康安全機構 労働安全衛生総合研究所
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詳細情報 詳細情報について
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- CRID
- 1390282679257261568
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- NII論文ID
- 130004483193
- 40015306394
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- NII書誌ID
- AA00672955
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- ISSN
- 18808026
- 00198366
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- NDL書誌ID
- 8682999
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 抄録ライセンスフラグ
- 使用不可