A new study finds that children’s sleep habits are highly variable and that some sleep less than others. A study based on 105 children from 1-10 years of age showed a wide range of average sleep durations among children, even though individual sleep characteristics remained constant throughout development. According to the study, those children who were short sleepers as toddlers remained to be short sleepers even in later childhood.

Pediatrics 2007 Oct.120 (4); e769-76

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