Lisa and rachel want to determine their muscular endurance, but they don't have access to a gym or any weight-lifting equipment. what can they use? a. maxing out method b. percent of 1 rm method c. calisthenic method d. absolute method select the best answer from the choices provided. a b c d

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