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Published on: June 11, 2020
Sleep and epilepsy in neonates
Magda Lahorgue Nunes1, Jaderson Costa da Costa
1Division of Neurology, Laboratory of Clinical Neurophysiology, Hospital São Lucas PUCRS, School of Medicine, Porto Alegre, RS, Brazil. nunes@pucrs.br
Insights
Neonatal seizures disrupt sleep patterns, potentially impacting brain development and neurological outcomes. Abnormal sleep organization in newborns with seizures is linked to poorer prognoses.
Area of Science:
- Neonatal neurology
- Sleep medicine
- Epileptology
Background:
- The link between sleep and epilepsy is recognized in adults and children.
- Understanding this relationship in neonates is crucial for early intervention.
Purpose of the Study:
- To review the relationship between sleep and epilepsy in the neonatal period.
- To explore how neonatal seizures affect sleep and vice versa.
Main Methods:
- Literature review of the PubMed database.
- Searched using keywords: "neonatal seizures" and "sleep".
Main Results:
- Neonatal seizures frequently cause abnormal sleep regulation.
- Altered sleep may stem from maladaptive neuronal network plasticity.
- EEG abnormalities correlate with disrupted sleep organization.
Conclusions:
- Cortical maturation and sleep-wake cycles are interconnected.
- Disrupted sleep in neonatal seizures may indicate broader neurological dysfunction.
- Undifferentiated sleep organization in seizure-affected newborns suggests a worse outcome.
Background And Objective:
In clinical practice, the association between sleep and epilepsy has been increasingly observed in adults and during childhood. The aim of this article is to verify the relationship between sleep and epilepsy in the neonatal period in order to identify evidence and mechanisms to explain how epilepsy or neonatal seizures might disrupt sleep and how sleep might influence seizure occurrence and epilepsy during this age span.
Methods:
Literature review with search of PubMed database using the key words neonatal seizures and sleep.
Results And Conclusion:
The complex processes of cortical maturation are closely related to the regulation of sleep-wakefulness cycles. Sleep regulation in the context of neonatal seizures is frequently abnormal, and these alterations may be a result of the maladaptative plasticity of neuronal networks. Furthermore, in this situation altered connectivity might also be associated with other expressions of neurological dysfunction such as cognitive and behavioral problems. EEG background abnormalities and higher frequency of discharges are often associated with disrupted sleep organization. The outcome of newborns with seizures where sleep organization is undifferentiated seems to be more unfavorable.
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