Aclient is given amiodarone in the emergency department for a dysrhythmia. which finding indicates the drug is having the desired effect?

The  finding that indicates the drug is having the desired effect would be: The number of premature ventricular contractions is decreasing

Amiodarone is a drug that is used to treats patient who suffered because of irregular heartbeat.
Irregular heartbeat could be counted by counting the number of premature ventricular contractions.
If these premature contractions is decreasing after we inject the drug, that we can conclude that the drug is taking an effect

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