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Related Experiment Video

Updated: Sep 1, 2025

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
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Shift work and cardiovascular strain on working and non-working days.

L Stieler1, B Hunger2, R Seibt1

  • 1Institute for Preventive Medicine of the Rostock University Medical Center, St.-Georg-Str. 108, 18055 Rostock, Germany.

Occupational Medicine (Oxford, England)
|August 17, 2022
PubMed
Summary

Shift work in the hotel industry did not show a clear link to increased cardiovascular strain. Cardiovascular risk factors like age and hypertension were more significant determinants of strain than shift type.

Keywords:
ABPMCardiovascular strainnon-working dayoccupational healthshift work

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Area of Science:

  • Occupational Health
  • Cardiovascular Physiology
  • Industrial Hygiene

Background:

  • Shift work is linked to adverse cardiovascular effects.
  • Limited research compares shift and day workers' strain on non-working days.

Purpose of the Study:

  • To compare cardiovascular strain in hotel and catering industry (HCI) shift workers versus day workers.
  • To assess strain on both working days (WD) and non-working days (ND).

Main Methods:

  • 60 alternating shift workers and 88 day workers participated.
  • 24-hour ambulatory blood pressure (BP) and heart rate (HR) monitoring.
  • Analysis across DAY, SLEEP, and 24-h TOTAL time phases on WD and ND.

Main Results:

  • Overall 24-h strain was slightly higher on WD than ND (BP: 134/79 vs 127/75 mmHg).
  • Shift workers showed a trend towards higher systolic BP than day workers on WD.
  • Age, male gender, and hypertension were key determinants of cardiovascular strain.

Conclusions:

  • No clear association found between alternating shift work in HCI and increased cardiovascular strain.
  • 24-hour ambulatory monitoring is ideal for assessing cardiovascular strain in real-world and work conditions.