Study: Irregular bedtimes for kids affect test scores

July 10, 2013 (WLS) -- Consistent bedtimes for children may be linked to better performance on intellectual tests, according to a study.

Researchers looked at bedtimes and standardized test scores for more than 11,000 children.

They noted that going to bed late did not affect a child's development, but irregular bedtimes were linked to poor scores.

Researchers caution the study simply draws a correlation and is not proof that irregular sleep is a direct driver of lower test scores.

The study is published in the Journal of Epidemiology and Community Health.

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