Journal
PEDIATRIC RESEARCH
Volume 83, Issue 4, Pages 760-766Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/pr.2017.318
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Funding
- Erasmus Medical Center, Rotterdam
- Erasmus University Rotterdam, Rotterdam
- ZonMw
- Netherlands Organization for Scientific Research
- Ministry of Health, Welfare, and Sport
- Erasmus Medical Centre
- Netherlands Organization for Health Research and Development (Zon MW Geestkracht Program) [10.000.1003]
- Netherlands Organization for Health Research and Development (VIDI Grant) [017.106.370]
- European Commission [2013-2548/001-001-EMA-2]
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BACKGROUND: Brain development underlies maturation of sleep patterns throughout childhood Intrautenne head growth-marker of early neurodevelopment-has not been associated with childhood sleep chatacteristics. We explored associations between ultrasonographic measures of prenatal and early postnatal neurodevelopment and childhood sleep. METHODS: A total of 6,808 children from a population based birth cohort (Generation R) were included. Head circumference (HC) and lateral ventricles size were assessed with mid and late-pregnancy fetal ultrasounds, and with carnial ultrasound 3-20 weeks postnatally. Mothers reported children's sleep duration at 2 and 3 years and sleep problems at 1 5, 3, and 6 years. RESULTS: Larger ventricular size, but not HC, was related to longer sleep duration at 3 years (beta = 0.06 h, 95% confidence interval (Cl) 0.02, 0.10 in late pregnancy and beta = 0.11 h, 95% CI 0.02, 0.20 in early infancy, mid-pregnancy parameters were unrelated to sleep duration). Larger HC in mid-pregnancy was associated with a reduced risk for being a problematic sleeper up to the age of 6 years (odds ratio (OR): 0.94, 95% Cl 0.89, 0.99). Consistently, children with larger HC in early infancy were less likely to be problematic sleepers at 3 and 6 years. CONCLUSIONS: This study shows that variations in fetal and neonatal brain size may underlie behavioral expression of sleep in childhood Albeit small effect estimates, these associations provide evidence for neurodevelopmental origins of sleep.
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