The basic areas of child development within an effective curriculum include

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

Answercerebrospinal fluid;

Ibelieve the main term is cholecystitis. acute is just describing the condition.