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Insomnia in Emotional Labor: Its Role in Autonomic Nervous System Regulation

Authors
Chae, BoramKang, JuneShin, CheolminKo, Young-HoonYoon, Ho-Kyoung
Issue Date
9월-2021
Publisher
KOREAN NEUROPSYCHIATRIC ASSOC
Keywords
Autonomic nervous system; Emotional labor; HRV; Parasympathetic nervous system; Sleep
Citation
PSYCHIATRY INVESTIGATION, v.18, no.9, pp.889 - 894
Indexed
SCIE
SSCI
SCOPUS
KCI
Journal Title
PSYCHIATRY INVESTIGATION
Volume
18
Number
9
Start Page
889
End Page
894
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/136451
DOI
10.30773/pi.2021.0117
ISSN
1738-3684
Abstract
Objective The relation between female emotional laborers' sleep quality and autonomic nervous system activity was investigated. Methods Thirty-three subjects' heart rate variability (HRV) data and results of self-reported scale on sleep, depression, anxiety and suicidality, were collected. Subjects were classified into good sleeper (GS) and poor sleeper (PS) groups relying on sleep quality. Changes of HRV between working time and resting time in each group were compared. Results The PS group showed significantly lower difference in root mean square of successive differences (RMSSD), percentage of successive normal-to-normal intervals that differ by more than 50 ms (pNN50), and natural logarithm high-frequency (LnHF) when they were working as compared to when they were resting, which means decreased function of the parasympathetic nervous system (PNS). Repeated measures analysis of covariance showed that the group effect was significant only for LnHF, with score of depression scale as a covariate. Conclusion Female emotional laborers who complain of sleep difficulty may have decreased function of the PNS. Therefore, good sleep quality is essential for maintaining and promoting mental and physical health of women engage in emotional labor.
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