Imagine that your friend has witnessed a family in his neighborhood abusing their child. Write a letter describing to your friend the various ways in which he or she can help the child or
report the abuse to the relevant authorities. List the laws that protect the child's rights

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

Broken bone result of heredity