Shift work exposure is associated with adverse sleep-related and mental health outcomes in adult workers
This systematic review of 11 studies found that shift work exposure is associated with sleep-related outcomes such as insomnia, poor sleep quality, and shift work sleep disorder, as well as mental health outcomes including depression, anxiety, stress, and fatigue. The review included diverse occupational groups across Europe, North America, Asia, and Australia, with overall moderate to high methodological quality.
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Shift work exposure is associated with adverse sleep-related and mental health outcomes in adult workers The current body of evidence comprises 1 study. EvidenceHub rates the overall confidence at 32/100 (low).
The Claim
Shift work exposure is associated with adverse sleep-related and mental health outcomes in adult workers
This conclusion is most relevant to: Adult shift-working populations including healthcare workers, correctional officers, and industrial workers.
What the Research Shows
The conclusion draws on 1 linked study. Highlights from the cited literature:
- ▸Association Between Shift Work and Mental Health and Sleep Outcomes in Working Adults: A Systematic Review. (Cureus, 2026) —
How It Works
The proposed biological pathway:
- ▸Shift work disrupts circadian rhythms
- ▸Circadian disruption affects sleep regulation
- ▸Sleep disruption contributes to psychological stress
- ▸Result: Increased risk of adverse sleep and mental health outcomes
Who Might Benefit
Evidence fit by population:
- ▸Adult shift-working populations including healthcare workers, correctional officers, and industrial workers
Recommended Dose
N/A
Limitations & Caveats
Important context when interpreting this evidence:
- ▸The review included only 11 studies, limiting generalizability
- ▸Studies were observational, preventing causal inference
- ▸Heterogeneity in shift work definitions and outcome measures across studies
Frequently Asked Questions
What specific sleep problems are linked to shift work?▼
The review found associations with insomnia, poor sleep quality, and shift work sleep disorder.
Which mental health conditions are associated with shift work?▼
Depression, anxiety, stress, and fatigue were reported as associated mental health outcomes.
What types of workers were included in this review?▼
The studies involved healthcare workers, correctional officers, and industrial workers across Europe, North America, Asia, and Australia.
Does this review prove that shift work causes mental health problems?▼
No, the review is based on observational studies, so it shows association but cannot prove causation.
References
- 1.Shaikh SS, Kilic A, Okoro C, Rai M, Rajapandian R, Hakeem S, Mohammed L. “Association Between Shift Work and Mental Health and Sleep Outcomes in Working Adults: A Systematic Review..” Cureus, 2026. PMID: 42395194 DOI: 10.7759/cureus.110089