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The Effect of Shift Rotation on Variations of Cortisol, Fatigue and Sleep in Sound Engineers
How rotating work shifts affect stress hormone, tiredness, and sleep in sound engineers
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Abstract
Higher salivary cortisol levels were observed in sound engineers working very fast backward-rotating shifts compared to those on forward-rotating shifts.
- Salivary cortisol retained a typical daily pattern across all participants.
- The rotation direction significantly interacted with shift timing, affecting cortisol levels.
- Engineers on backward-rotating shifts reported worse sleep quality.
- Higher cortisol values during morning and night shifts in the backward-rotating group may suggest insufficient recovery.
- Ratings of stress and fatigue were monitored alongside cortisol assessments.
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