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Updated: May 20, 2025

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Night Work and Social Jet Lag: Pathways to Arterial Stiffness?

Waléria D P Gusmão1, Aline Silva-Costa2, Victor M Silva3

  • 1Center for Integrative Sciences, Alagoas State University of Health Sciences (UNCISAL), Maceio 57010-382, Brazil.

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Summary

Night work disrupts sleep, increasing cardiovascular risk. This study found social jet lag, not just night work duration, is linked to arterial stiffness and higher cardiovascular risk in nurses.

Keywords:
arterial stiffnessnight worksocial jet lag

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Area of Science:

  • Cardiology
  • Sleep Medicine
  • Occupational Health

Background:

  • Cardiovascular diseases are a leading global cause of death.
  • Arterial stiffness is a key indicator of vascular aging and cardiovascular risk.
  • Night work can disrupt sleep patterns, potentially increasing cardiovascular disease risk.

Purpose of the Study:

  • To investigate the association between night work duration and arterial stiffness in nursing professionals.
  • To explore the role of social jet lag in this relationship.

Main Methods:

  • 63 nursing professionals working rotating shifts were studied.
  • Arterial stiffness was measured using oscillometric pulse wave velocity.
  • Sleep-wake patterns were monitored using actigraphy.

Main Results:

  • No direct association was found between night work duration and arterial stiffness.
  • Increased social jet lag was significantly associated with higher perceived stress.
  • Increased social jet lag was also significantly associated with elevated pulse wave velocity.

Conclusions:

  • Social jet lag, rather than night work duration alone, is associated with increased arterial stiffness.
  • Elevated pulse wave velocity, linked to social jet lag, is an independent predictor of cardiovascular risk.
  • Findings highlight the importance of managing sleep-wake cycle disruptions in night workers to mitigate cardiovascular risk.