A Cross-Sectional Study of Occupational Stress and Sleep Quality Among Nurses at a Medical Center Using Wearable Sensor Technology
Abstract
Recent advancements in wearable sensing technologies, such as smartwatches, enable the continuous monitoring of physiological data. We developed a secure system for data acquisition and monitoring to analyze and report the physiological signals of nursing staff. A crosssectional study was conducted from February to May 2022 with 61 participants using Garmin Vivosmart® 4 watch. Participants’ demographics and work attributes, including work shifts, were recorded in a central database. Physiological data-specifically heart rate (HR), heart rate variability (HRV), and sleep quality-were captured using the developed system. The results indicated nurses working daytime shifts experience higher overall occupational stress compared to evening and night shift nurses. Regression analysis revealed a significant negative correlation between stress and sleep duration ($\rho=-0.12$, $\mathrm{p}\lt 0.001$), indicating shorter sleep durations are associated with increased stress. Furthermore, administrative nurses experience higher stress and worse sleep quality than other nurses.
How strong is the evidence?
Evidence Hub reads this as a cross-sectional. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause.
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