Conflict at Work Impairs Physiological Recovery during Sleep: A Daily Diary Study
Katja Kerman1, Roman Prem2, Bettina Kubicek2
1Department of Psychology, Faculty of Arts, University of Maribor, 2000 Maribor, Slovenia.
International Journal of Environmental Research and Public Health
|September 23, 2022
Summary
Workplace conflict negatively impacts employee sleep quality by disrupting nocturnal heart rate variability (HRV). Daily conflict increases rumination, potentially affecting sleep
Area of Science:
- Occupational Health Psychology
- Sleep Science
- Psychophysiology
Background:
- Sleep is crucial for employee health and well-being.
- Workplace stressors, like conflict, can disrupt sleep patterns.
- Previous research suggests a link between work conflict and sleep outcomes.
Purpose of the Study:
- To investigate the relationship between daily workplace conflict and physiological changes during early sleep.
- To examine the mediating role of rumination in the conflict-sleep relationship, based on the perseverative cognition hypothesis.
Main Methods:
- A five-day daily diary study involving 93 healthcare employees.
- Collected 419 daily observations on workplace conflict, rumination, and sleep.
- Utilized multilevel analysis to examine the data.
Main Results:
- A significant negative relationship was found between daily workplace conflict and nocturnal heart rate variability (HRV), specifically high-frequency (HF) power.
- Daily conflict at work predicted rumination.
- Rumination did not significantly predict nocturnal HRV.
Conclusions:
- Daily workplace conflict increases rumination during non-work hours.
- Workplace conflict may directly impair parasympathetic function during early sleep, as indicated by altered nocturnal HRV.
- Findings highlight the direct impact of work conflict on sleep physiology, beyond rumination.
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