19. Smoking begins to harm your lungs the first time you use the product. O True
O False

20. A severe cough is a sign of alcoholism.
True
O False

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