Ablin, Jacob N, Clauw, Daniel J, Lyden, Angela K et al. · Clinical and experimental rheumatology · 2013
This study tested what happens when healthy people stop exercising or reduce their sleep for 10 days. Researchers found that cutting sleep to 6 hours per night quickly caused symptoms like widespread pain, fatigue, and difficulty thinking clearly—similar to symptoms seen in chronic fatigue syndrome. Stopping exercise alone caused less noticeable effects, mainly just fatigue. Women developed these symptoms more easily than men when sleep or exercise was restricted.
This study provides experimental evidence that sleep and exercise deficits can rapidly trigger the somatic symptoms characteristic of ME/CFS and related functional somatic syndromes in otherwise healthy individuals. It suggests that behavioral factors—particularly sleep—play a causal role in symptom initiation, which has implications for understanding both disease onset and potential interventions. The observation of sex differences also highlights that women may be at greater biological risk for symptom development under these conditions.
This study does not prove that sleep restriction or exercise cessation causes ME/CFS in real-world settings; it only demonstrates that these factors can induce transient somatic symptoms in healthy adults over 10 days. It does not establish whether naturally occurring infections, trauma, or pain—which often precede ME/CFS onset—work through the same mechanisms. The findings also cannot be generalized to people with pre-existing ME/CFS or other chronic illnesses, nor do they explain why symptoms persist long-term in some individuals.
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 →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Ablin, Jacob N, Clauw, Daniel J, Lyden, Angela K, Ambrose, Kirsten, Williams, David A, Gracely, Richard H, et al. (2013). Effects of sleep restriction and exercise deprivation on somatic symptoms and mood in healthy adults.. Clinical and experimental rheumatology. https://pubmed.ncbi.nlm.nih.gov/24373363/
BibTeX
@article{mecfsatlas-ablin-2013-effects-sleep,
author = {Ablin, Jacob N and Clauw, Daniel J and Lyden, Angela K and Ambrose, Kirsten and Williams, David A and Gracely, Richard H and Glass, Jennifer M},
title = {Effects of sleep restriction and exercise deprivation on somatic symptoms and mood in healthy adults.},
journal = {Clinical and experimental rheumatology},
year = {2013},
note = {PubMed: 24373363},
url = {https://www.mecfsatlas.com/evidence/ablin-2013-effects-sleep},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-27. https://www.mecfsatlas.com/evidence/ablin-2013-effects-sleep
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