29. Creating a practice plan is Required for all coaches before the practice begins.
O A skill that should be practiced by coaches
O Not necessary or recommended
None of the above

Bis the answer hope i  

Iwould put 'think' in the blank

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

Awould be the most dangerous