Please help! what happens in the mania side of bipolar disorder?

Mania: People loose sleep for at least 34 days at a time and experience either very happy or very irritable mood, they overspend money they can't afford, engage in sexual indiscretions, make foolish investments, talk fast, have high energy, eat less, .

Can't sleep, hyper: Full-blown mania frequently includes profound insomnia, rapid thoughts, grandiose delusions, hyper-religiosity, and expansive, ill-considered behavior like excessive spending. Less severe or hypomania may present with less sleep, lots of energy, and varying amounts of ill-considered behavior like excessive spending but not as excessive as with full-blown mania. Recommend professional evaluation.