期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 458, 期 -, 页码 140-145出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physa.2016.03.086
关键词
Visibility graph; Sleep staging; Heart rate variability
资金
- Natural Science Foundation of China [61271082, 61401518]
- Jiangsu Provincial Key R&D Program (Social Development) [BE2015700]
- Natural Science Foundation of Jiangsu Province [BK20141432]
- Fundamental Research Funds for the Central Universities [2015PT005]
Based on a visibility-graph algorithm, complex networks were constructed from very short-term heart rate variability (HRV) during different sleep stages. Network measurements progressively changed from rapid eye movement (REM) sleep to light sleep and then deep sleep, exhibiting promising ability for sleep assessment. Abnormal activation of the cardiovascular controls with enhanced 'small-world' couplings and altered fractal organization during REM sleep indicates that REM could be a potential risk factor for adverse cardiovascular event, especially in males, older individuals, and people who are overweight. Additionally, an apparent influence of gender, aging, and obesity on sleep was demonstrated in healthy adults, which may be helpful for establishing expected sleep-HRV patterns in different populations. (C) 2016 Elsevier B.V. All rights reserved.
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