Sleep has dominated the health news recently [1]; most notably, a recent randomized controlled trial showed that sleep disruption might have a contributory causal role in the occurrence of psychotic experiences and a wide range of other mental health problems [2]. In this issue, McDowell et al. [3] evaluated the impact of shift work on sleep quality. In their cross-sectional study of 888 nurses, the authors found that the prevalence of self-reported poor sleep quality was high in both nurses that worked shifts and those that did not. However, the authors found that undertaking shift work was the only significant association with poor sleep quality, when controlling for confounders. The authors concluded that in view of their findings, workplace interventions related to sleep should include organizational considerations and not be restricted to individually focused interventions.
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