A study of the effects of autogenic training on autonomic function during sleep: using 24-hour Holter electrocardiogram.

2022 Fiscal Year Final Research Report

• Project/Area Number: 19K03320
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Review Section: Basic Section 10030:Clinical psychology-related
• Research Institution: Kyushu University
• Principal Investigator: Tomioka Mitsunao 九州大学, 医学研究院, 助教 (50380514)
• Co-Investigator(Kenkyū-buntansha): 吉原 一文 九州大学, 医学研究院, 講師 (20444854) ; 須藤 信行 九州大学, 医学研究院, 教授 (60304812)
• Project Period (FY): 2019-04-01 – 2023-03-31
• Keywords: sleep / autogenic training / autonomic function

Outline of Final Research Achievements

We obtained 24-hour Holter electrocardiograms from healthy medical students. Analysis showed that sympathetic function (LF/HF ratio) was higher during wakefulness (6.46) than during sleep (2.01). Parasympathetic activity (HF) was lower during wakefulness (213) than during sleep (538). The sympathetic activity (LF/HF ratio) during sleep showed a decrease from the time of falling asleep and a gradual increase toward the time of waking. In contrast, parasympathetic nerve activity (HF) increased from the time of falling asleep and decreased toward the time of waking.
The results showed that physical relaxation increased with time from sleep onset, but activity gradually increased toward waking time.

Free Research Field

臨床心理学

Academic Significance and Societal Importance of the Research Achievements

我々は入眠から時間の経過と共に身体的なリラックス度は高まっていくが，起床時刻に向けて徐々に活動性が高まることを示した。今後の研究では，同様の被検者を増やすことで24時間の自律神経機能の一般的な推移傾向を示すことができると考えられる。更に不眠症患者のデータを加えることにより，不眠症患者の入眠困難や睡眠持続困難症状に対する自律神経機能の影響を明らかにすることができると考えられる。入眠時や睡眠後半に交感神経の興奮が示されたとすれば，それを安定化することに効果的と考えられる自律訓練法の効果研究の意義が高まるであろう。