Stores, G, Fry, A, Crawford, C · Journal of psychosomatic research · 1998 · DOI
Researchers used home sleep monitoring equipment to measure sleep quality in 18 teenagers with ME/CFS compared to healthy teens of the same age and gender. They found that teenagers with ME/CFS woke up much more frequently during the night—both for brief moments and longer periods—compared to the healthy group. These frequent sleep disruptions could help explain why young people with ME/CFS feel so exhausted during the day.
This study provides objective polysomnographic evidence that sleep problems in adolescent ME/CFS are physiological rather than merely subjective complaints. Understanding the neurobiological basis of sleep disruption is crucial for developing targeted interventions and validates the real, measurable nature of fatigue experienced by young CFS patients.
This study demonstrates correlation between sleep fragmentation and ME/CFS but does not establish causation—it cannot determine whether abnormal sleep causes CFS symptoms or results from underlying CFS pathophysiology. The small sample size (18 subjects) and single time-point assessment limit generalizability. The study does not identify the specific mechanisms driving the sleep disruption.
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
Stores, G, Fry, A, & Crawford, C (1998). Sleep abnormalities demonstrated by home polysomnography in teenagers with chronic fatigue syndrome.. Journal of psychosomatic research. https://doi.org/10.1016/s0022-3999(98)00024-5
BibTeX
@article{mecfsatlas-stores-1998-sleep-abnormalities,
author = {Stores, G and Fry, A and Crawford, C},
title = {Sleep abnormalities demonstrated by home polysomnography in teenagers with chronic fatigue syndrome.},
journal = {Journal of psychosomatic research},
year = {1998},
doi = {10.1016/s0022-3999(98)00024-5},
note = {PubMed: 9720858},
url = {https://www.mecfsatlas.com/evidence/stores-1998-sleep-abnormalities},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-30. https://www.mecfsatlas.com/evidence/stores-1998-sleep-abnormalities
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