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Sleep-disordered breathing (SDB) in children has been demonstrated to affect cognition, development, behavior, and school performance negatively. In this study, 39 children ages 3 to 5 years underwent executive-function testing (which evaluated planning, inhibitory control, and working memory); 3 months later, parents completed a sleep questionnaire that elicited parents’ ratings of their children’s snoring as occurring never, rarely, occasionally, frequently, or almost always.
After controlling for age, the authors found that a higher parent-reported risk for SDB was associated with significantly lower executive function. The strongest effect was on inhibition. Children classified as frequent or almost-always snorers performed significantly…