A 32 year old lady has recently become more active, sleep less and bought a house and 2 new cars. What is the most likely diagnosis?

The key is C. Hypomania. [Individuals in a hypomanic state have a decreased need for sleep, are extremely outgoing and competitive, have a great deal of energy and are otherwise often fully functioning (unlike full mania where unlike fully functioning there is a. obvious difficulties at work or i social relationships and activities b. requires admission to hospital to protect the person or others, or c. the person is suffering psychosis)].