Assessment of the Light Exposures of Shift-working Nurses in London and Dortmund in Relation to Recommendations for Sleep and Circadian Health

Luke L.A. Price, Marina Khazova, Ljiljana Udovičić

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)
21 Downloads (Pure)

Abstract

Shift work causes disruption to circadian physiological processes in the human body, and desynchronization from the natural day-and-night rhythm. Circadian disruption is thought to explain the associations between shift work and various long-term diseases; light is an unrivalled synchronizer (or Zeitgeber) of circadian processes and inappropriate light exposure plausibly plays a critical role in the development of health impairments. As published measurement data on the actual light environments encountered by shift workers are sparse, nurses working in two hospitals in London (UK) and Dortmund (Germany) wore light-logging dosimetry devices to measure personal light exposures continuously over a week in three different seasons. The study identifies and quantifies several of the characteristics of light exposure related to different working patterns in winter, spring, and summer, and quantifies interindividual variations. These data enable informed design of light exposure interventions or changes to shifts to reduce unwanted effects of disruptive light exposure profiles.

Original languageEnglish
Pages (from-to)447-458
Number of pages12
JournalAnnals of work exposures and health
Volume66
Issue number4
Early online date25 Oct 2021
DOIs
Publication statusPublished - May 2022

Bibliographical note

Funding Information: The authors have no competing financial interests. Each collaborating institution supported its own contribution.

Open Access: This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

Publisher Copyright: © The Author(s) 2021. Published by Oxford University Press on behalf of the British Occupational Hygiene Society.

Citation: Luke L A Price, Marina Khazova, Ljiljana Udovičić, Assessment of the Light Exposures of Shift-working Nurses in London and Dortmund in Relation to Recommendations for Sleep and Circadian Health, Annals of Work Exposures and Health, Volume 66, Issue 4, May 2022, Pages 447–458,

DOI: https://doi.org/10.1093/annweh/wxab092

Keywords

  • circadian rhythms
  • healthcare
  • light exposure
  • night work
  • nurses
  • shift work

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