Select the correct answer
which form of birth control could people use without altering hormonal systems or blocking sperm from fertilizing an egg?
a. fertility awareness
b. birth control pills
c. condom

Do you have multiple choice ?

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