Sleep-wake cycle of the healthy term newborn infant in the immediate postnatal period

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
I KorotchikovaG B Boylan

Abstract

To examine sleep-wake cycle (SWC) composition of healthy term infants in the immediate postnatal period using EEG, and investigate factors that might influence it. Multichannel video-EEG was recorded for a median of 61.9 min (IQR: 60.0-69.3). The absolute and relative scores of sleep states were calculated for each infant's recording. Parametric/non-parametric statistical tests and multiple linear regression analysis were used to investigate the influence of perinatal factors on SWC composition. Eighty healthy term infants aged 1-36 h were studied. A well-developed SWC was evident as early as within the first 6h after birth. The mean (SD) percentage of active sleep (AS) was 52.1% (12.9) and quiet sleep (QS) was 38.6% (12.5). AS was longer and QS shorter in infants delivered by elective caesarean section (CS) compared to infants delivered by vaginal delivery or emergency CS. This is the first large cohort EEG study that has quantified neonatal sleep. SWC is clearly present immediately after birth, it is dominated by AS, and is influenced by mode of delivery. This knowledge of the early neonatal EEG/SWC can be used as reference data for EEG studies of neurologically compromised infants.

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Citations

Jun 1, 2017·Journal of Sleep Research·B S AswathyKamalesh K Gulia
Oct 21, 2017·Children·Daphna Yasova Barbeau, Michael D Weiss
Aug 23, 2018·Journal of Neural Engineering·Amir Hossein AnsariSabine Van Huffel
Jun 28, 2016·Scientific Reports·Lorenzo FabriziMaria Fitzgerald
Jul 1, 2018·International Journal of Developmental Neuroscience : the Official Journal of the International Society for Developmental Neuroscience·B S AswathyKamalesh K Gulia
Oct 21, 2016·Developmental Psychobiology·Joseph R IslerWilliam P Fifer
May 16, 2017·International Breastfeeding Journal·Aliyah DosaniMarc Hall
Oct 20, 2020·Frontiers in Pediatrics·Léa CailleauPatrick Pladys
Jun 24, 2021·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Susana PereiraEdwin Chandraharan

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