Aria has been awake for two nights in a row and still feels highly energetic and euphoric. the previous day, she quit her job on an impulse and decided to become an actress. in terms of bipolar disorder, aria is experiencing an episode of

Aria is experiencing an episode of "mania".
A manic episode isn't a disorder all by itself, but instead is analyzed as a piece of a condition called bipolar disorder. Manic episode is a disposition state described by time of no less than one week where a hoisted, far reaching, or abnormally crabby temperament exists.