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Volume 9
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10.3390/children9020223
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Article

Maturation of Arousals during Day and Night in Preterm Infants

by
Aurore Guyon
1,
Francoise Ravet
2,
Alex Champavert
1,
Marine Thieux
1,
Hugues Patural
3,
Sabine Plancoulaine
4 and
Patricia Franco
1,*
1
Unité de Sommeil, Service D’épilepsie, Sommeil et Explorations Fonctionnelles Neurologiques Pédiatriques—INSERM U1028—Hôpital Femme-Mère-Enfant, Hospices Civils de Lyon, Université Claude Bernard Lyon 1, 59 bd Pinel Bron, 69500 Lyon, France
2
Unité de Sommeil Pédiatrique—Département Universitaire de Pédiatrie du CHU Liège—Site CHR, 1 bd du XIIème de Ligne, 4000 Liège, Belgium
3
Neonatal and Pediatric Intensive Care Department, Inserm, U1059, University Hospital of Saint Etienne, 42270 Saint Etienne, France
4
Centre of Research in Epidemiology and StatisticS (CRESS), Inserm, INRAE, Université de Paris Cité, F-75004 Paris, France
*
Author to whom correspondence should be addressed.
Children 2022, 9(2), 223; https://doi.org/10.3390/children9020223
Submission received: 30 December 2021 / Revised: 21 January 2022 / Accepted: 28 January 2022 / Published: 8 February 2022
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Abstract

The objective of this study was to compare the maturation of spontaneous arousals during day and night sleep in preterm and term infants. From the Autonomic Baby Evaluation study, the sleep and arousal characteristics of 12 preterm (35.1 ± 2.1 weeks’ gestational age, GA) and 21 term (39.8 ± 0.8 weeks GA) newborns were compared between diurnal and nocturnal sleep periods at birth (M0) and 6 months (M6) of age. Models were adjusted for time (night/day), maturation (M0/M6), prematurity (yes/no). We found that preterm infants had less active sleep (AS)% than term infants with maturation during both day and night sleep, which may reflect accelerated brain maturation secondary to stress or environmental exposure after birth. Moreover, there was a difference in arousal maturation during day and night sleep in the preterm infants, as shown previously for term infants, which suggests the emergence of a circadian rhythm during the earliest postnatal period. We also showed that compared to term infants, these moderate preterm infants had fewer total arousals and, more specifically, fewer arousals in AS during day and night sleep, exposing them to a higher risk of sudden infant death syndrome.
Keywords: sleep; arousals; preterm; SIDS sleep; arousals; preterm; SIDS

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MDPI and ACS Style

Guyon, A.; Ravet, F.; Champavert, A.; Thieux, M.; Patural, H.; Plancoulaine, S.; Franco, P. Maturation of Arousals during Day and Night in Preterm Infants. Children 2022, 9, 223. https://doi.org/10.3390/children9020223

AMA Style

Guyon A, Ravet F, Champavert A, Thieux M, Patural H, Plancoulaine S, Franco P. Maturation of Arousals during Day and Night in Preterm Infants. Children. 2022; 9(2):223. https://doi.org/10.3390/children9020223

Chicago/Turabian Style

Guyon, Aurore, Francoise Ravet, Alex Champavert, Marine Thieux, Hugues Patural, Sabine Plancoulaine, and Patricia Franco. 2022. "Maturation of Arousals during Day and Night in Preterm Infants" Children 9, no. 2: 223. https://doi.org/10.3390/children9020223

APA Style

Guyon, A., Ravet, F., Champavert, A., Thieux, M., Patural, H., Plancoulaine, S., & Franco, P. (2022). Maturation of Arousals during Day and Night in Preterm Infants. Children, 9(2), 223. https://doi.org/10.3390/children9020223

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