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Related Experiment Video

Updated: Jun 22, 2025

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
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Relationship between shift type and sleep quality in rotating-shift nurses with chronotype as a moderator variable.

Pei-Wei Weng1,2,3, Wen-Pei Chang4,5

  • 1Department of Orthopaedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.

International Nursing Review
|July 3, 2024
PubMed
Summary

Chronotype moderates the impact of shift work on nurses' sleep quality. Matching nurses' biological clocks to shift schedules, like assigning late-type nurses to night shifts, can improve sleep.

Keywords:
Chronotypenursesshift work schedulesleep quality

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Area of Science:

  • Nursing Research
  • Sleep Medicine
  • Chronobiology

Background:

  • Rotating-shift nurses face sleep disorders due to biological clock, emotional, and age-related factors.
  • Limited research exists on the combined influence of chronotype and shift type on nurses' sleep quality.

Purpose of the Study:

  • To investigate chronotype as a moderator of the relationship between shift type and sleep quality in nurses.
  • To provide evidence for improving nurses' mental and physical health through optimized scheduling.

Main Methods:

  • A study involving 255 clinical rotating-shift nurses in Taiwan using a monthly rotating schedule.
  • Hierarchical multiple regression analysis to assess the moderating effect of chronotype on shift type and sleep quality.
  • Reporting adherence to the STROBE checklist.

Main Results:

  • Older age, greater physical fatigue, and negative emotions were associated with poorer sleep quality in nurses.
  • Chronotype significantly moderated the effect of shift type on sleep quality (B = -1.83, p = 0.049) after controlling for other factors.

Conclusions:

  • Early and intermediate chronotype nurses are better suited for day and evening shifts.
  • Late chronotype nurses are more suitable for night shifts.
  • Aligning shift schedules with individual chronotypes can enhance nurses' sleep quality and well-being.