How often will your employer notify you of your status as a covers individual and your reporting requirements?

Typically once a year

The answer is b. increased blood flow reduces nerve sensitivity

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