MOST POPULAR: Video, stories and more
SIGN-UP: Get breaking news sent to you from ABC7
The study looked at the daily activities of hundreds of 7-year-olds.
Those with the most activities fell asleep the quickest.
On the flipside, the more sedentary the activity, the longer it took for the children to fall asleep, and kids who took longer to fall asleep, slept for shorter periods of time.
The study is in the Archives of Disease in Childhood.
Today's latest headlines | ABC7 News on your phone
Follow us on Twitter | Fan us on Facebook | Get our free widget
