Sleep

How sleep habits relate to the risk of shift work disorder in nurses

Circadian Biology Weekly Brief ↗PubMed ↗DOI ↗

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Abstract

High risk of Shift Work Disorder (SWD) is associated with poorer sleep hygiene, with a significant difference in scores (35.41 ± 6.19 vs. 31.49 ± 7.08, p < .0001).

  • 20%-30% of shift workers may experience SWD, marked by chronic sleepiness or insomnia linked to work schedules.
  • High risk of SWD correlates with greater eveningness, as indicated by Morningness-Eveningness Questionnaire scores (34.73 ± 6.13 vs. 37.49 ± 6.45, p = .005).
  • Logistic regression indicates that for each unit increase in Sleep Hygiene Index (SHI) score, the odds of being at high risk of SWD increase by 80% (odds ratio = 1.84).
  • A majority of individuals at high risk reported inconsistent sleep patterns, such as going to bed and waking at different times (79% and 83%, respectively).
  • High-risk individuals are more likely to go to bed feeling stressed or angry (67% vs. 41%, p < .0001) and to plan or worry in bed (54% vs. 22%, p < .0001).

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