Contributory factors to the recuperative power of a short nap; verification via new qualitative classification for sleep stage 2

• Project/Area Number: 24621007
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: 睡眠科学
• Research Institution: Hiroshima University
• Principal Investigator: HAYASHI Mitsuo 広島大学, 総合科学研究科, 教授 (00238130)
• Co-Investigator(Kenkyū-buntansha): OGAWA Keiko 広島大学, 大学院総合科学研究科, 准教授 (70546861)
• Research Collaborator: FUSHIMI Aoi ; IIZUKA Hisashi ; KURIYAMA Azusa ; KAWANO Sayaka
• Project Period (FY): 2012-04-01 – 2015-03-31
• Project Status: Completed (Fiscal Year 2014)
• Budget Amount: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000); Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000); Fiscal Year 2012: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
• Keywords: 短時間仮眠 / 睡眠段階２ / 脳波 / θ波 / 睡眠紡錘波 / 睡眠段階2 / 紡錘波 / シータ波

Outline of Final Research Achievements

Why a short daytime nap of about 15 minute, which is composed of sleep stage 1 and 2, has recuperative power? It is already clarified that sleep stage 2 had recuperative effects, while these effects were limited following only sleep stage 1. Then EEGs during sleep stage 2 was investigated in the present study. The results showed that both theta waves and sleep spindles contribute to the recuperative power of a short daytime nap.

Research Products

• [Journal Article] A Study on Sleep Environment Improvement in the Railroad Crew Lodgings by Changing the Specifications of Lighting and Nightclothes (2015)
  • Author(s): 千田琢・福間浩一・林 光緒
  • Journal Title: IEEJ Transactions on Industry Applications Volume: 135 Issue: 4 Pages: 355-361
  • DOI: 10.1541/ieejias.135.355
  • NAID: 130005062299
  • ISSN: 0913-6339, 1348-8163
  • Peer Reviewed
• [Journal Article] Detection of EEG features of sleep stage 2 by a new scoring system. (2013)
  • Author(s): Hayashi, M., Fushimi, A., & Iizuka, H.
  • Journal Title: Sleep and Biological Rhythms Volume: 11 Issue: 4 Pages: 245-253
  • DOI: 10.1111/sbr.12032
  • Peer Reviewed
• [Journal Article] 居眠り運転発生の生理的メカニズム (2013)
  • Author(s): 林 光緒
  • Journal Title: IATSS Review Volume: 38 Pages: 49-56
  • Peer Reviewed
• [Journal Article] 睡眠の基礎 (2013)
  • Author(s): 林 光緒
  • Journal Title: 日本臨牀 Volume: 71(S5) Pages: 35-39
• [Journal Article] 予防的仮眠の効果 (2013)
  • Author(s): 林 光緒
  • Journal Title: Clinical Neuroscience Volume: 31 Pages: 198-199
• [Journal Article] Longitudinal study of self-awakening and sleep/wake habits in adolescents. (2012)
  • Author(s): Ikeda, H. & Hayashi, M.
  • Journal Title: Nature and Science of Sleep Volume: 4 Pages: 103-109
  • DOI: 10.2147/nss.s33861
  • Peer Reviewed
• [Journal Article] 自己覚醒が日中の眠気に及ぼす影響 (2012)
  • Author(s): 池田大樹・林 光緒
  • Journal Title: 心理学研究 Volume: 83 Pages: 1-9
  • NAID: 130002140386
  • Peer Reviewed
• [Presentation] 日中の短時間仮眠の質的検討 (2015)
  • Author(s): 栗山あずさ・林 光緒
  • Organizer: 日本睡眠学会第40回定期学術集会
  • Place of Presentation: 宇都宮市
  • Year and Date: 2015-07-02 – 2015-07-03
• [Presentation] 睡眠段階2の特徴：睡眠の質について再考する (2015)
  • Author(s): 林 光緒・伏見 葵・飯塚尚司・栗山あずさ
  • Organizer: 日本睡眠学会第40回定期学術集会
  • Place of Presentation: 宇都宮市
  • Year and Date: 2015-07-02
• [Presentation] 心理学領域における睡眠研究 (2014)
  • Author(s): 林 光緒
  • Organizer: 日本睡眠学会第39回定期学術集会
  • Place of Presentation: 徳島市
  • Year and Date: 2014-07-03
• [Presentation] 短時間仮眠による回復効果を規定する脳波活動の検討 (2013)
  • Author(s): 栗山あずさ・小川景子・林 光緒
  • Organizer: 第31回日本生理心理学会大会
  • Place of Presentation: 福井市
• [Presentation] スヌーズ機能が覚醒直後の睡眠慣性へ及ぼす影響 (2013)
  • Author(s): 小川景子・上山絵美・林光緒
  • Organizer: 日本睡眠学会第38回定期学術集会
  • Place of Presentation: 秋田市
• [Presentation] 短時間仮眠による回復効果を規定する脳波活動の検討 (2013)
  • Author(s): 栗山あずさ・小川景子・林 光緒
  • Organizer: 日本睡眠学会第38回定期学術集会
  • Place of Presentation: 秋田市
• [Presentation] 仮眠時間の長さが記憶の定着に及ぼす影響の検討 (2012)
  • Author(s): 田尾 薫・林 光緒
  • Organizer: 日本睡眠学会第37回定期学術集会
  • Place of Presentation: 横浜市
• [Presentation] The effects of nap duration on the consolidation of declarative and procedural memories (2012)
  • Author(s): Tao, K & Hayashi, M
  • Organizer: 21st Congress of the European Sleep Research Society
  • Place of Presentation: パリ市 (フランス）
• [Presentation] The relationship between EEG activity and the recuperative power of a short nap. (2012)
  • Author(s): Kuriyama, A., Ogawa, K. & Hayashi, M.
  • Organizer: The 7th Asian Sleep Research Socviety Congress
  • Place of Presentation: 台北市 （台湾）
• [Book] 快適な眠りのための睡眠習慣セルフチェックノート (2015)
  • Author(s): 林 光緒・宮崎総一郎・松浦倫子
  • Total Pages: 183
  • Publisher: 全日本病院出版会
• [Book] 睡眠のトレビア (2014)
  • Author(s): 宮崎総一郎・林 光緒・内田 直
  • Total Pages: 183
  • Publisher: 中外医学社
• [Book] 応用講座 睡眠改善学 (2013)
  • Author(s): 堀忠雄・林 光緒・水野康・小山恵美・水野一枝・足達直美・岩田有史・小暮貴政・水野一枝・福田一彦・神川康子・田中秀樹・田村典久・白川修一郎・荒川雅志
  • Total Pages: 241
  • Publisher: ゆまに書房
• [Book] 医療・看護・介護のための睡眠検定ハンドブック (2013)
  • Author(s): 宮崎総一郎・佐藤尚武・井上昌次郎・堀忠雄・北浜邦夫・林 光緒・小林敏孝・森国功・田中秀樹・尾崎章子・伊藤洋・原田大輔・河野公範・堀口淳・青木亮・粥川裕平・北村拓朗
  • Total Pages: 215
  • Publisher: 全日本病院出版会