The Study
Sleep Deprivation Activates a Conserved Lactate‐H3K18la‐RORα Axis Driving Neutrophilic Inflammation Across Species
This study shows that when animals don't sleep, their bodies make more of a chemical called lactate, which turns on a gene that makes white blood cells go crazy and cause inflammation. It's like finding a secret switch that gets flipped when you're tired — but we haven't proven this exact switch works the same way in people.
Analysis score
Maximum 72 for a cohort study.
Where the score came from
When you don’t sleep, your white blood cells (neutrophils) get extra energy from sugar, which makes a chemical called lactate. This lactate acts like a switch that turns on an inflammation gene called RORα, making your body more reactive and sore.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 568 / 100
Quality score
Groups of people are followed over time to see who develops an outcome. Strong for identifying risk factors and associations, but cannot prove causation as firmly as RCTs.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — even one night without sleep in humans showed similar increases in neutrophils and lactate, suggesting this mechanism likely contributes to feeling sick or achy after poor sleep.
- 2Sleep loss increased lactate by 30–50% in tissues, doubled H3K18 lactylation in neutrophils, and raised RORα expression and inflammatory cytokines (IL-1β, IL-6, TNF-α) by 2–4 fold in mice, zebrafish, and pigs.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Advanced Science
Year
2025
Authors
Ren Zhou, Keyun Li, Xiezong Hu, Shuhao Fan, YuXuan Gao, Xiaoshu Xue, Yu Bu, Hao-yi Zhang, Yili Wang, Chunjiao Wei, Shangrong Zhang, Zhongwen Xie, Chao Liu, Peng Chen, Zong-jun Yin, Da-long Ren
Related Content
Claims (6)
In people with autoimmune disease, consistently not getting enough sleep reduces the effectiveness of immune system control and cellular repair processes.
Sleep deprivation increases RORα protein levels in neutrophils in mice, zebrafish, and pigs, and this increase is associated with a specific chemical modification called H3K18 lactylation on the DNA region that controls the RORα gene.
Blocking glycolysis or lactate production in sleep-deprived mice and zebrafish decreases H3K18 lactylation on neutrophils, lowers RORα expression, and reduces the release of inflammatory cytokines.
Lack of sleep raises the number of neutrophils and levels of inflammatory signaling molecules such as IL-1β, IL-6, and TNF-α in mice, zebrafish, pigs, and humans.
L-lactate, but not D-lactate, triggers specific molecular changes in neutrophils of mice and zebrafish, including increased H3K18 lactylation, higher RORα expression, and greater production of inflammatory cytokines.
Acute sleep deprivation in humans, mice, zebrafish, and pigs is associated with higher lactate levels in peripheral tissues and neutrophils, and this increase correlates with higher levels of histone H3K18 lactylation, which is associated with increased expression of proinflammatory genes.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.