| Ju Ah Kim | 1 Article |
PURPOSE
The purpose of this study was to investigate the relationship among sleep quality, heart rate variability (HRV), fatigue, depression, and anxiety reported by Korean adults. METHODS A cross-sectional study of 208 adults aged 20~60 years was conducted using a short-term HRV analysis and self-reported questionnaires of Pittsburgh Sleep Quality Index (PSQI), Fatigue Severity Scale, Beck Depression Inventory, and State Trait Anxiety Inventory. RESULTS Subjects with good sleep quality (PSQI score≤5) had higher HRV total power (t=2.03, p=.043) and high-frequency (t=2.04, p=.043) with lower fatigue (t=−4.08, p < .001), depressive mood (t=−3.66, p < .001), and trait anxiety (t=−3.84, p < .001) than subjects with poor sleep quality. Poor sleep quality was negatively correlated with HRV total power (r=−.17, p=.016), high-frequency (r=−.14, p=.049), and positively fatigue (r=.39, p < .001), depression (r=.44, p < .001), state anxiety (r=.23, p=.001) and trait anxiety (r=.34, p < .001). CONCLUSION The results indicated that sleep quality is correlated with HRV which reflects the activities of the autonomic nerve system, fatigue, depression, and anxiety in adults. Citations Citations to this article as recorded by
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