DailyMail 4 November 2013
Putting children to bed earlier may be a simple way to keep their weight down, research has shown.
Childhood obesity is not only caused by fast food, sugary drinks and lack of exercise, the new findings suggest.
Lack of sleep also appears to be an important factor.
Scientists in Philedelphia made the discovery after adjusting the sleep patterns of 37 children, more than a quarter of whom were overweight or obese.