Sleep disturbance is consistently associated with elevated C-reactive protein and interleukin-6 in insomnia disorder
The abstract reports that sleep disturbance in insomnia disorder is more consistently associated with selected inflammatory markers, particularly C-reactive protein (CRP) and interleukin-6 (IL-6), while findings for tumor necrosis factor-alpha (TNF-α) remain less consistent. This suggests a link between insomnia and low-grade inflammation, which may contribute to the chronicity and multisystem associations of the disorder.
This article is automatically generated from the structured evidence profile behind the claim above. Scores reflect the quality and quantity of available research, not clinical advice.
Sleep disturbance is consistently associated with elevated C-reactive protein and interleukin-6 in insomnia disorder The current body of evidence comprises 1 study. EvidenceHub rates the overall confidence at 32/100 (low).
The Claim
Sleep disturbance is consistently associated with elevated C-reactive protein and interleukin-6 in insomnia disorder
This conclusion is most relevant to: Individuals with insomnia disorder (ID).
What the Research Shows
The conclusion draws on 1 linked study. Highlights from the cited literature:
- ▸Circadian-immune crosstalk in insomnia disorder: mechanisms and therapeutic implications. (Frontiers in neuroscience, 2026) —
How It Works
The proposed biological pathway:
- ▸Circadian rhythm disruption and impaired melatonin signaling occur in insomnia disorder
- ▸HPA-axis activation and autonomic imbalance lead to stress-related neuroendocrine responses
- ▸Disruption of circadian-immune crosstalk alters inflammatory rhythmicity and increases CRP and IL-6 levels
- ▸Result: Persistent low-grade inflammation contributes to insomnia symptom maintenance and chronicity
Who Might Benefit
Evidence fit by population:
- ▸Individuals with insomnia disorder (ID)
Recommended Dose
N/A
Limitations & Caveats
Important context when interpreting this evidence:
- ▸The abstract does not provide specific effect sizes or quantitative data from individual studies
- ▸Associations are based on available evidence but causal direction cannot be determined from this review alone
- ▸Findings for TNF-α are inconsistent, indicating heterogeneity in immune-inflammatory responses across studies
Frequently Asked Questions
Which inflammatory markers are most consistently linked to insomnia disorder?▼
C-reactive protein (CRP) and interleukin-6 (IL-6) show consistent associations with sleep disturbance in insomnia disorder, while tumor necrosis factor-alpha (TNF-α) findings are less consistent.
Does insomnia cause inflammation or does inflammation cause insomnia?▼
The abstract suggests a bidirectional relationship through circadian-immune crosstalk, but does not establish causality. Circadian disruption and hyperarousal may drive inflammation, which in turn perpetuates insomnia symptoms.
What interventions are discussed for targeting circadian-immune dysfunction in insomnia?▼
Potential strategies include light management, melatonin and melatonin receptor agonists, cognitive behavioral therapy for insomnia (CBT-I), physical activity, time-restricted eating, and stress management.
Is this review based on human or animal studies?▼
The abstract does not specify study types, but it reviews evidence from human insomnia disorder research, likely including observational and interventional studies.
References
- 1.Huang Y, Wang X, Chen X, Liu Y. “Circadian-immune crosstalk in insomnia disorder: mechanisms and therapeutic implications..” Frontiers in neuroscience, 2026. PMID: 42523963 DOI: 10.3389/fnins.2026.1881195