漸進的軽度断眠下における徐波睡眠と脳波デルタ帯域パワの増強 : 睡眠のホメオスタシス調節の指標として

URI http://harp.lib.hiroshima-u.ac.jp/fcu/metadata/12093
ファイル
タイトル
漸進的軽度断眠下における徐波睡眠と脳波デルタ帯域パワの増強 : 睡眠のホメオスタシス調節の指標として
別タイトル
Enhancement of slow wave sleep and electroencephalographic delta-band power under progressive mild sleep restriction : As an indicator of homeostatic regulation of sleep
著者
氏名 広重 佳治
ヨミ ヒロシゲ ヨシハル
別名 HIROSHIGE Yoshiharu
キーワード
mild sleep restriction
homeostatic regulation
slow wave sleep
EEG delta-band power
sleep perception
抄録

To assess the effects of gradual and mild sleep restriction on homeostatic regulation of sleep, electroencephalographic (EEG) delta-band power in the range of 1-4 Hz and sleep variables were analyzed simultaneously with sleep perception. The experiment consisted of three sessions; eight young volunteers were asked to (1) keep their normal sleep habits for 6 days (Baseline Night session); (2) delay their bed time by 20 min/night for 6 days (Delay Night session); and (3) advance their bed time by 20 min/night for 6 days (Recovery Night session), maintaining their normal rise time. The volunteers were monitored by sleep log and actigraphy. One night polysomnography in-lab was performed on the last day of each session.
Time in bed significantly differed among sessions, indicating a fairly high adherence to the experimental schedule. EEG delta-band power significantly increased, as well as slow wave sleep, during the first 1 hour after sleep onset of Delay Night compared to Baseline Night, which in turn showed a steep decline across sleep cycles. There was no difference either in total delta power or in sleep variables for the first 5 hours of sleep. Perception of sleep maintenance and initiation of sleep, assessed by OSA sleep questionnaire, seemed to slightly improve during Delay Night session. These results suggest that gradual and mild sleep restriction may lead to acceleration of build-up and dissipation of sleep pressure, based on sleep homeostasis.

掲載雑誌名
福山市立大学教育学部研究紀要 = Bulletin of the Faculty of Education, Fukuyama City University
5
開始ページ
73
終了ページ
82
出版年月日
2017-02-28
出版者
福山市立大学教育学部
ISSN
21876347
NCID
AA12609650
責任DOI
本文言語
日本語
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紀要論文
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出版社版
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fcu