What would be kelly s weight be in newtons if her mass is 70 kilograms?

The different between Newton and Kilo is that Kilogram is the unit measure of mass that is present in an object while Newton is the unit of measure of weight of an object or the gravitational force on an object. In converting from Kilo to Newton, Every 1 kilo is equivalent to 9.81 Newton so the outcome would be 686.7 Newton

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

What? are u trying to do a genetic test?