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Epilepsy is associated with reduced REM sleep in children, with the effect strongest under age 6 and amplified by antiseizure medications

In a propensity score-matched cross-sectional study of 560 children with epilepsy and 560 non-epilepsy clinical comparators, children with epilepsy had significantly reduced REM sleep (median 18.2% vs 20.9%, g=-0.32, FDR p<0.001). The REM deficit was amplified by antiseizure medication use (15.8% vs 19.8%, g=-0.48, p<0.001) and followed a developmental gradient, being strongest in children under 6 years (g=-0.38) and not detected in those over 12 years (g=-0.07, p=0.953).

Last updated: Aug 26, 2026•0 RCTs•📖 Read as article →

Evidence Score

Evidence Score34/100
Human RCT☆☆☆☆☆
Meta-analysis☆☆☆☆☆
Mechanism★★★★★
Safety★★★★☆
Confidencelow

Study Evidence

Study 1. Rapid eye movement sleep reduction in pediatric epilepsy: A propensity score-matched study.

observational

Juginovi&#x107; A, Rodman L · Epilepsia (2026)

Participants: N/A
Duration: Cross-sectional (single PSG study per participant)
Intervention: Epilepsy (disease) and antiseizure medication use (observational comparison)
Outcome: REM sleep percentage, sleep efficiency, total sleep time, REM latency, arousal index (measured by polysomnography)
Effect Size: g=-0.32 for REM reduction in epilepsy vs comparators; g=-0.48 for ASM effect
Population: Children aged ≤18 years referred for polysomnography, including 560 with epilepsy and 560 matched non-epilepsy clinical comparators

Result:

PubMed: 42615232DOI: 10.1002/epi.70433

Mechanism Graph

Epilepsy or antiseizure medications disrupt REM sleep regulation
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The effect is more pronounced in younger children, suggesting developmental vulnerability
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ASM use further suppresses REM sleep
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Result: Reduced REM sleep percentage and prolonged REM latency in pediatric epilepsy

Limitations

  • ⚠Cross-sectional design prevents causal inference
  • ⚠Independent contribution of epilepsy itself remains uncertain due to confounding by indication and medication effects
  • ⚠Clinical cohort referred for PSG may not represent all children with epilepsy

Frequently Asked Questions

What is the main sleep finding in children with epilepsy?▼

Children with epilepsy have reduced REM sleep (median 18.2% vs 20.9% in non-epilepsy comparators) and lower sleep efficiency, shorter total sleep time, and prolonged REM latency.

Does antiseizure medication affect REM sleep?▼

Yes, ASM use amplified the REM deficit, with REM sleep at 15.8% in ASM users vs 19.8% in non-users (g=-0.48).

At what age is the REM sleep reduction most pronounced?▼

The effect was strongest in children under 6 years (g=-0.38), intermediate at 6-12 years (g=-0.31), and not detected in those over 12 years (g=-0.07).

What is the sample size of this study?▼

The study included 560 PSG studies from children with epilepsy and 560 matched non-epilepsy comparators after propensity score matching.

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References

  1. 1.Juginovi&#x107; A, Rodman L. "Rapid eye movement sleep reduction in pediatric epilepsy: A propensity score-matched study.." Epilepsia, 2026. PMID: 42615232 DOI: 10.1002/epi.70433
Disclaimer: This content is for educational purposes only and is not medical advice. Evidence scores reflect the quality and quantity of available research, not clinical recommendations. Always consult a healthcare professional before starting any supplement or intervention.