ArticleSleep2026
Prospective associations of long COVID with sleep health nearly 3 years after SARS-CoV-2 infection: a statewide representative cohort study.
Article in Sleep, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- A health resort-based intervention reduces insomnia with minimal changes in quality of life in COVID-19 survivors and non-COVID-19 controls.Frontiers in public health · 2026Article
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Authors and funding
6 authors.
Funding
Abstract
STUDY
objectivesWhile many adults with long COVID experience sleep problems, the long-term relationship between long COVID and sleep remains poorly understood. We investigated how long COVID is prospectively associated with sleep duration, sleep quality, and sleep disturbance using a population-based cohort of Michigan adults with COVID-19 (N = 2406).
methodsLong COVID was defined at baseline as reporting a recovery time of 90 days or more after the initial infection and sleep outcomes were assessed at follow-up 1 and 2, approximately 1.5 and 3 years after the initial infection. We estimated linear and multinomial logistic regression models with sleep duration as continuous and categorical variables, respectively. Then, we conducted multinomial logistic regression models for sleep quality and modified Poisson regression for moderate-to-severe sleep disturbance.
resultsLong COVID was prospectively associated with a shorter sleep duration by 0.35 hours (95% CI = -0.53% to -0.17%) at follow-up 1. Relative to sleeping 6-9 hours, long COVID was associated with sleeping less than 6 hours at follow-up 1 (adjusted relative risk ratio [aRRR]: 3.27; 95% CI = 2.16% to 4.96%) and follow-up 2 (aRRR: 1.91; 95% CI = 1.28% to 2.85%). Additionally, long COVID had a strong association with poor-to-very poor sleep quality at both follow-up periods relative to very good-to-fair sleep quality at both follow-up periods. Long COVID was also associated with a 1.53 times higher risk of moderate-to-severe sleep disturbance (95% CI = 1.23% to 1.91%).
conclusionLong COVID was prospectively associated with unhealthy sleep outcomes 3 years after onset. There is a need to enhance sleep health among individuals with long COVID.
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