Exercise trials in shift workers suggest sleep benefits, with important uncertainty
Most included trials reported improvement in a sleep measure, but effects differed and evidence quality limited the review's conclusions.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Structured exercise showed promising sleep results in adult shift workers, and some trials also reported cognitive improvements. However, the size and practical importance of the effects were inconsistent. Because the review summarized findings without pooling them and most studies raised bias concerns, it does not establish a reliable average benefit or a preferred exercise program.
This abstract-based account is limited by bias concerns in most studies and a predominance of healthcare settings. Fatigue and irregular schedules affected participation; varied interventions and measurements prevented a pooled estimate.
Different sleep measures
Sleep outcomes included questionnaire scores, sleep duration and efficiency, and time spent awake after initially falling asleep. The trials reported improvements across different measures, so they did not all demonstrate the same sleep change.
Cognitive findings
Some trials reported better alertness, reaction time or short-term memory. The abstract highlights sessions after shifts or supervised workplace exercise, but provides no direct comparison establishing that either approach is the best timing or setting.
The original publication
Exercise interventions for sleep and cognitive dysfunction in shift workers: a systematic review of randomized trials.
Algharbi FH, Nuhmani S, Alsubaiei M et al.
Front Public Health · 2026
- PubMed ID
- 41725778
- Record checked
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