Research
Print page Print page
Switch language
The Capital Region of Denmark - a part of Copenhagen University Hospital
Published

How to schedule night shift work in order to reduce health and safety risks

Research output: Contribution to journalJournal articleResearchpeer-review

DOI

  1. On endocrine disruption at the workplace - how to get from suggestive to conclusive evidence?

    Research output: Contribution to journalEditorialpeer-review

  2. Acute myocardial infarction in relation to physical activities at work: a nationwide follow-up study based on job-exposure matrices

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Influence of errors in job codes on job exposure matrix-based exposure assessment in the register-based occupational cohort DOC*X

    Research output: Contribution to journalJournal articleResearchpeer-review

  1. Labour market affiliation among non-bullied colleagues at work units with reported bullying

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Experiences managing pregnant hospital staff members using an active management policy-A qualitative study

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Natarbejde og komplikationer i graviditeten

    Research output: Contribution to journalReviewpeer-review

  • Anne Helene Garde
  • Luise Begtrup
  • Bjørn Bjorvatn
  • Jens Peter Bonde
  • Johnni Hansen
  • Åse Marie Hansen
  • Mikko Härmä
  • Marie Aarrebo Jensen
  • Göran Kecklund
  • Henrik A Kolstad
  • Ann Dyreborg Larsen
  • Jenny Anne Lie
  • Claudia Rc Moreno
  • Kirsten Nabe-Nielsen
  • Mikael Sallinen
View graph of relations

Objectives This discussion paper aims to provide scientifically based recommendations on night shift schedules, including consecutive shifts, shift intervals and duration of shifts, which may reduce health and safety risks. Short-term physiological effects in terms of circadian disruption, inadequate sleep duration and quality, and fatigue were considered as possible links between night shift work and selected health and safety risks, namely, cancer, cardio-metabolic disease, injuries, and pregnancy-related outcomes. Method In early 2020, 15 experienced shift work researchers participated in a workshop where they identified relevant scientific literature within their main research area. Results Knowledge gaps and possible recommendations were discussed based on the current evidence. The consensus was that schedules which reduce circadian disruption may reduce cancer risk, particularly for breast cancer, and schedules that optimize sleep and reduce fatigue may reduce the occurrence of injuries. This is generally achieved with fewer consecutive night shifts, sufficient shift intervals, and shorter night shift duration. Conclusions Based on the limited, existing literature, we recommend that in order to reduce the risk of injuries and possibly breast cancer, night shift schedules have: (i) ≤3 consecutive night shifts; (ii) shift intervals of ≥11 hours; and (iii) ≤9 hours shift duration. In special cases - eg, oil rigs and other isolated workplaces with better possibilities to adapt to daytime sleep - additional or other recommendations may apply. Finally, to reduce risk of miscarriage, pregnant women should not work more than one night shift in a week.

Original languageEnglish
JournalScandinavian Journal of Work, Environment & Health
Volume46
Issue number6
Pages (from-to)557-569
Number of pages13
ISSN0355-3140
DOIs
Publication statusPublished - 1 Nov 2020

ID: 61373864