Young children who don't have a regular bedtime behave worse than kids who go to sleep at the same time each night, a new study suggests.
British researchers found that both mothers and teachers rated 7-year-olds who had inconsistent bedtimes as being more hyperactive than their better-rested peers, and as having more social, emotional and conduct problems.
The results also revealed that behavior grew worse the more years a child spent without a firm bedtime. But the good news is that children's behavior noticeably improved when they switched to a scheduled bedtime.
"This is a very well-done study that in many ways reaffirms what we already know about a lack of sleep," said Dr. Carolyn D'Ambrosio, director of the sleep center at Tufts Medical Center and the Floating Hospital for Children in Boston, who was not involved in the research.
She said the findings clearly show an association between kids behaving better and a regular bedtime.
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