• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

よい睡眠とは何かを明らかにするための機械学習を用いた睡眠脳波の探索的研究

Research Project

Project/Area Number 21K21135
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0908:Society medicine, nursing, and related fields
Research InstitutionOsaka Medical and Pharmaceutical University

Principal Investigator

大道 智恵  大阪医科薬科大学, 医学部, 助教 (30907944)

Project Period (FY) 2021-08-30 – 2025-03-31
Project Status Granted (Fiscal Year 2023)
Budget Amount *help
¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2022: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2021: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords睡眠 / 睡眠脳波 / うつ / 不眠 / レム睡眠 / 睡眠疫学 / 睡眠の質 / 客観的評価 / 機械学習 / コホート研究
Outline of Research at the Start

睡眠の主観的評価についてはこれまで様々な評価尺度が用いられてきたが, 客観的評価については未だ診断基準が確立していない. これは, 睡眠脳波と健康や生産性などのアウトカムを比較した大規模研究が存在しないことが原因と考えられる. 本研究では, 2015年より滋賀県甲賀市の市職員約2000名(参加率約8割)を対象に, 睡眠やメンタルヘルスおよびQOL, 生産性, 休業などのアウトカムの質問紙調査と脳波計測を実施してきた. 今後, さらにこの追跡調査を進めるとともに, 機械学習により睡眠脳波指標を選定し, 質問票と健康診断結果を併せて解析することで世界に先駆けて「よい睡眠」の客観的指標を同定する.

Outline of Annual Research Achievements

主観的睡眠と客観的睡眠の評価の乖離のうつ症状への影響について、国際学会で発表した。Omichi C, Kadotani H, Sumi Y, Ubara A, Nishikawa K, Matsuda A, Uyanga T, Ozeki Y, NinJaSleep study group. Influence of depressive symptoms on subjective and objective evaluation of sleep in an occupational population. 17th International Congress of Behavioral Medicine (Vancouver, Canada, Aug 2023)Omichi C, Kadotani H, Sumi Y, Ubara A, Nishikawa K, Matsuda A, Uyanga T, Ozeki Y. Comparison of objective and subjective sleep evaluations based on the presence or absence of insomnia among Japanese city employees. World SLEEP 2023(Rio de janeiro, Brazil. Oct 2023)50歳以上の参加者では、抑うつ症状の有無にかかわらず、主観的睡眠評価と客観的睡眠評価の間に差が認められた。多変量解析では、睡眠時間の差と抑うつ症状の有無との間に有意な関連は認められなかった。
全体およびうつ症状のない50歳以下の参加者において、主観的入眠潜時は客観的入眠潜時よりも長かった。多変量解析では、睡眠潜時の評価の差と抑うつ症状の有無との間にわずかな関連が認められた。この研究では、患者とは対照的に職業集団に焦点を当てたことから、睡眠パターンに影響を及ぼす可能性のある職場での確立された習慣の影響が示唆された。
1チャンネルの脳波測定を利用することで、参加者の家庭環境における自然な睡眠を評価することが可能となり、本研究の結果に寄与した可能性がある。加齢に伴う夜間覚醒の頻度の増加、早朝覚醒、徐波睡眠の減少、睡眠の質の低下などの睡眠障害の増加が報告されているのと同様に、年齢が睡眠評価に影響を及ぼす可能性が示唆された。

Current Status of Research Progress
Current Status of Research Progress

3: Progress in research has been slightly delayed.

Reason

いくつかの研究成果のうち、まだ発表できていないものがあり、現在論文執筆途中であるため。

Strategy for Future Research Activity

令和6年度中に論文を投稿し、出版できるように論文執筆を進める。

Report

(3 results)
  • 2023 Research-status Report
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (11 results)

All 2023 2022

All Journal Article (5 results) (of which Peer Reviewed: 5 results,  Open Access: 5 results) Presentation (6 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] Association between poor sleep quality and locomotive syndrome in middle-aged and older women: A community-based, cross-sectional study2023

    • Author(s)
      Kato Michitaka、Ozaki Etsuko、Omichi Chie、Kurita Yasunari、Nakano Satoko、Takagi Daisuke、Kuriyama Nagato、Koyama Teruhide
    • Journal Title

      Modern Rheumatology

      Volume: road025 Issue: 2 Pages: 1-8

    • DOI

      10.1093/mr/road025

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Irregular sleep and all-cause mortality: A large prospective cohort study2022

    • Author(s)
      Omichi C., Koyama T., Kadotani H., Ozaki E., Tomida S., Yoshida T., Otonari J., Ikezaki H., Hara M., et al.
    • Journal Title

      Sleep Health

      Volume: 8 Issue: 6 Pages: 678-683

    • DOI

      10.1016/j.sleh.2022.08.010

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Limited social support is associated with depression, anxiety, and insomnia in a Japanese working population.2022

    • Author(s)
      Omichi C, Kaminishi Y, Kadotani H, Sumi Y, Ubara A, Nishikawa K, Matsuda A, Ozeki Y.
    • Journal Title

      Front Public Health

      Volume: -

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Subjective irregular sleep is associated with metabolic syndrome: A cross-sectional study2022

    • Author(s)
      Ogura Yasuhiro、Koyama Teruhide、Ozaki Etsuko、Omichi Chie、Uehara Ritei
    • Journal Title

      Preventive Medicine Reports

      Volume: 28 Pages: 101844-101844

    • DOI

      10.1016/j.pmedr.2022.101844

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Prolonged Sleep Latency and Reduced REM Latency Are Associated with Depressive Symptoms in a Japanese Working Population2022

    • Author(s)
      Omichi Chie、Kadotani Hiroshi、Sumi Yukiyoshi、Ubara Ayaka、Nishikawa Kohei、Matsuda Arichika、Ozeki Yuji、the NinJaSleep Study Group
    • Journal Title

      International Journal of Environmental Research and Public Health

      Volume: 19 Issue: 4 Pages: 2112-2112

    • DOI

      10.3390/ijerph19042112

    • Related Report
      2022 Research-status Report 2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Comparison of objective and subjective sleep evaluations based on the presence or absence of insomnia among Japanese city employees.2023

    • Author(s)
      Omichi C, Kadotani H, Sumi Y, Ubara A, Nishikawa K, Matsuda A, Uyanga T, Ozeki Y.
    • Organizer
      World SLEEP 2023
    • Related Report
      2023 Research-status Report
    • Int'l Joint Research
  • [Presentation] Influence of depressive symptoms on subjective and objective evaluation of sleep in an occupational population.2023

    • Author(s)
      Omichi C, Kadotani H, Sumi Y, Ubara A, Nishikawa K, Matsuda A, Uyanga T, Ozeki Y, NinJaSleep study group.
    • Organizer
      Influence of depressive symptoms on subjective and objective evaluation of sleep in an occupational population.
    • Related Report
      2023 Research-status Report
    • Int'l Joint Research
  • [Presentation] Influence of depressive symptoms on subjective and objective evaluations of sleep in a Japanese working population2023

    • Author(s)
      Chie Omichi , Hiroshi Kadotani , Yukiyoshi Sumi , Ayaka Ubara , Kohei Nishikawa , Arichika Matsuda , Uyanga Tsovoosed , Yuji Ozeki , NinJaSleep study group
    • Organizer
      17th International Congress of Behavioral Medicine
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] 市職員を対象とした自宅での1ch脳波測定における主観的・客観的な睡眠の評価の検討2022

    • Author(s)
      大道智恵、角谷寛、角幸頼、乳原彩香、西川公平、松田有史、尾関祐二
    • Organizer
      日本睡眠学会第47回定期学術集会
    • Related Report
      2022 Research-status Report
  • [Presentation] 市職員を対象とした自宅での1ch脳波測定における主観的・客観的な睡眠の評価の検討2022

    • Author(s)
      大道智恵
    • Organizer
      日本睡眠学会第47回定期学術集会
    • Related Report
      2021 Research-status Report
  • [Presentation] Sleep Epidemiological Studies with Portable Devices2022

    • Author(s)
      角谷寛
    • Organizer
      World Sleep 2022, ISSTA
    • Related Report
      2021 Research-status Report

URL: 

Published: 2021-10-22   Modified: 2024-12-25  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi