Children who exercise fall asleep faster

Scientists have proven what parents have known for years, children who run around during the day, sleep better at night.

Researchers in Australia and New Zealand claim theirs tests of over 500 children showed the more they exercised, the faster they fell asleep.

In the (somewhat unnecessary) study, children were fitted with activity monitors to see how much exercise they got during the day.

It was then timed how long they took to fall asleep at night, on average for every hour of inactivity they took three minutes longer to doze off.

Does this explain why I feel so tired after going to the gym?