Appearance of sleep cycling after birth in term neonates: an electro-physiologic study

Ramy Abramsky, Moshe Stavsky, Victor Novack, Eilon Shany

    Research output: Contribution to journalArticlepeer-review

    2 Scopus citations

    Abstract

    Background: Appearance of sleep cycling has been associated with good outcome in term and preterm infants, but the normal time of its appearance has not been determined. The objectives of this study were, to correlate the time of sleep cycling appearance and the length of quiet sleep in neonates with different degrees of mild perinatal stress. Methods: Three groups of term infants recorded with aEEG after birth were studied: infants delivered by planned cesarean section (group 1), infants with mild perinatal stress (group 2) and infants with mild neonatal encephalopathy (group 3). Groups were correlated with the appearance and length of quiet sleep. Results: In all, 132 infants were assessed. Quiet sleep appearance differed significantly between groups (p < 0.001). All infants in group 1 developed quiet sleep before the age of 6 h compared to 81% in group 2 and 52% in group 3 (p < 0.001). No differences in the quiet sleep length was found between groups. Belonging to group 3 (p < 0.001) and 1-min Apgar score (p = 0.002) significantly predicted a delay in appearance of the first quiet sleep period. Cesarean delivery significantly predicted an earlier appearance of quiet sleep (p < 0.001). Conclusions: Appearance of quiet sleep after birth but not its length may be delayed in case of mild perinatal stress.

    Original languageEnglish
    Pages (from-to)711-715
    Number of pages5
    JournalPediatric Research
    Volume87
    Issue number4
    DOIs
    StatePublished - 1 Mar 2020

    ASJC Scopus subject areas

    • Pediatrics, Perinatology, and Child Health

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