Campbell, Rachel, Vansteenkiste, Maarten, Delesie, Liesbeth et al. · Health psychology : official journal of the Division of Health Psychology, American Psychological Association · 2018 · DOI
This study tracked 120 ME/CFS patients for 14 days to understand how their daily psychological needs, energy levels, and sleep quality relate to each other. Researchers found that on days when patients felt their needs were met (feeling in control, capable, and connected to others), they had more energy and better sleep. On days when patients felt frustrated in meeting these needs, they experienced more fatigue and worse sleep quality.
Understanding how psychological need satisfaction and frustration interact with energy and sleep fluctuations may identify modifiable psychological factors that influence daily symptom severity in ME/CFS. This self-determination theory framework offers potential intervention targets beyond purely biological approaches, relevant to patients seeking to manage day-to-day symptom variation.
This study does not establish causality—it shows correlations between daily experiences. The findings do not prove that improving need satisfaction will cure or substantially improve ME/CFS, nor do they explain the underlying biological basis of the illness. The 92% female sample limits generalizability to male patients with ME/CFS.
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
Campbell, Rachel, Vansteenkiste, Maarten, Delesie, Liesbeth, Tobback, Els, Mariman, An, Vogelaers, Dirk, et al. (2018). Reciprocal associations between daily need-based experiences, energy, and sleep in chronic fatigue syndrome.. Health psychology : official journal of the Division of Health Psychology, American Psychological Association. https://doi.org/10.1037/hea0000621
BibTeX
@article{mecfsatlas-campbell-2018-reciprocal-associations,
author = {Campbell, Rachel and Vansteenkiste, Maarten and Delesie, Liesbeth and Tobback, Els and Mariman, An and Vogelaers, Dirk and Mouratidis, Athanasios},
title = {Reciprocal associations between daily need-based experiences, energy, and sleep in chronic fatigue syndrome.},
journal = {Health psychology : official journal of the Division of Health Psychology, American Psychological Association},
year = {2018},
doi = {10.1037/hea0000621},
note = {PubMed: 30321019},
url = {https://www.mecfsatlas.com/evidence/campbell-2018-reciprocal-associations},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-29. https://www.mecfsatlas.com/evidence/campbell-2018-reciprocal-associations
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