Modulation of Sleep Architecture by Whole-Body Static Magnetic Exposure: A Study Based on EEG-Based Automatic Sleep Staging

Lei Yang, Haoyu Jiang, Xiaotong Ding, Zhongcai Liao, Min Wei, Juan Li, Tongning Wu, Congsheng Li and Yanwen Fang
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Lei Yang: China Academy of Information and Communications Technology, Beijing 100191, China
Haoyu Jiang: China Academy of Information and Communications Technology, Beijing 100191, China
Xiaotong Ding: China Academy of Information and Communications Technology, Beijing 100191, China
Zhongcai Liao: Zhejiang Heye Health Technology, Anji 313300, China
Min Wei: Zhejiang Heye Health Technology, Anji 313300, China
Juan Li: China Academy of Information and Communications Technology, Beijing 100191, China
Tongning Wu: China Academy of Information and Communications Technology, Beijing 100191, China
Congsheng Li: China Academy of Information and Communications Technology, Beijing 100191, China
Yanwen Fang: Zhejiang Heye Health Technology, Anji 313300, China

IJERPH, 2022, vol. 19, issue 2, 1-16

Abstract: A steady increase in sleep problems has been observed along with the development of society. Overnight exposure to a static magnetic field has been found to improve sleep quality; however, such studies were mainly based on subjective evaluation. Thus, the presented data cannot be used to infer sleep architecture in detail. In this study, the subjects slept on a magneto-static mattress for four nights, and self-reported scales and electroencephalogram (EEG) were used to determine the effect of static magnetic field exposure (SMFE) on sleep. Machine learning operators, i.e., decision tree and supporting vector machine, were trained and optimized with the open access sleep EEG dataset to automatically discriminate the individual sleep stages, determined experimentally. SMEF was found to decrease light sleep duration (N2%) by 3.51%, and sleep onset latency (SOL) by 15.83%, while it increased deep sleep duration (N3%) by 8.43%, compared with the sham SMFE group. Further, the overall sleep efficiency (SE) was also enhanced by SMFE. It is the first study, to the best of our knowledge, where the change in sleep architecture was explored by SMFE. Our findings will be useful in developing a non-invasive sleep-facilitating instrument.

Keywords: static magnetic field exposure (SMFE); questionnaire; electroencephalogram (EEG); sleep staging; support vector machine (SVM) (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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