Why the study?
Poor sleep has been positively associated with nurses' medical errors, but the relationship between sleep quality and heart rate variability among female nurses required investigation.
Is poor sleep quality associated with reduced heart rate variability in female nurses?
Population
393 female nurses employed in a medical center in Taiwan
Comparison
Shift-work nurses vs non-shift nurses and differing sleep quality
Design
Descriptive cross-sectional correlational study
Key result
Poor sleep quality among female nurses was negatively correlated with heart rate variability, including total power (r = -0.425, p < 0.05).
Authors
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Poor sleep quality was associated with HRV changes in nurses; leaves open whether interventions improve autonomic function or reduce errors.
Cross-Sectional (n=393)
No
Is poor sleep quality associated with reduced heart rate variability in female nurses?
Effect estimate: r = -0.425
p-value: p=<0.05
Poor sleep quality is highly prevalent among female nurses and is associated with reduced heart rate variability, indicating autonomic nervous system impairment.
Hsu et al. (2021) conducted a cross-sectional in Poor sleep quality (n=393). Sleep quality was evaluated on Heart rate variability (total power, low frequency, and LF/HF ratio) (r = -0.425, p=<0.05). Poor sleep quality among female nurses was negatively correlated with heart rate variability, including total power (r = -0.425, p < 0.05).
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