Cancer is becoming more prevalent in children, with 10% occurring in those less than 14 years of age

This is not a question unless it is true or false, in which the answer would be true.

Because without physical activity, the body has extra "energy" if you will, and so when it is time for bed you are not tired, so you end up staying up all night. also there is probably an effect on your internal clock, which messes with your melatonin production which goes hand in hand with your sleep cycle