Smolensky, Michael H, Di Milia, Lee, Ohayon, Maurice M et al. · Accident; analysis and prevention · 2011 · DOI
This review examined how sleep disorders and medical conditions—including ME/CFS, sleep apnea, insomnia, and others—may increase the risk of car accidents caused by drowsiness and fatigue. The authors found that while these conditions clearly cause tiredness and poor sleep, very few studies have actually looked at whether they make people more likely to have driving accidents. They call for better research to understand this connection and test whether treating these conditions reduces crash risk.
ME/CFS patients often experience severe fatigue and sleep disturbances that could impair driving safety, yet this specific population's crash risk remains understudied. This review highlights the urgent need for rigorous research examining whether ME/CFS-related fatigue and sleep dysfunction increase accident risk and whether targeted interventions could reduce these risks—important questions for patient safety and quality of life.
This review does not prove that any specific condition directly causes car accidents, as it focuses on literature synthesis rather than primary data collection. The authors acknowledge that existing studies are biased toward crash survivors and may not represent the true population-level risk. This work does not establish causation or quantify accident risk for ME/CFS patients specifically.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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Primary citation
Smolensky, Michael H, Di Milia, Lee, Ohayon, Maurice M, & Philip, Pierre (2011). Sleep disorders, medical conditions, and road accident risk.. Accident; analysis and prevention. https://doi.org/10.1016/j.aap.2009.12.004
BibTeX
@article{mecfsatlas-smolensky-2011-sleep-disorders,
author = {Smolensky, Michael H and Di Milia, Lee and Ohayon, Maurice M and Philip, Pierre},
title = {Sleep disorders, medical conditions, and road accident risk.},
journal = {Accident; analysis and prevention},
year = {2011},
doi = {10.1016/j.aap.2009.12.004},
note = {PubMed: 21130215},
url = {https://www.mecfsatlas.com/evidence/smolensky-2011-sleep-disorders},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-30. https://www.mecfsatlas.com/evidence/smolensky-2011-sleep-disorders
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