To the Editor We read with interest the article by Perkin et al,1 which showed that the early introduction of solids in infants’ diet was associated with increased sleep duration and less frequent waking at night. It can be postulated that increased caloric intake owing to higher caloric density in solids and decreased caloric expenditure owing to a longer sleep duration could contribute to enhanced weight gain. We therefore wonder whether the authors can provide any longitudinal weight comparisons between the groups to either refute or confirm association with weight after early introduction of solids. Effects on weight in early life are likely to influence programming of later metabolic health and hence warrant consideration.
Dang C, Hoyland L, Nanan R. Association of Early Introduction of Solids With Infant Sleep. JAMA Pediatr. Published online December 03, 2018. doi:10.1001/jamapediatrics.2018.4357
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