We've got a Powerball winner! What to do if you're the winner of $754.6 million jackpot.

What should the sole winner of last night's $754.6 million Powerball jackpot do today?

Sleep in? Quit your job? Maybe. But the most important thing is what not to do: don't tell everyone.

The Powerball lottery jackpot ballooned to $754.6 million this year after going months with no winners. That is, until Monday night when one ticket sold in the state of Washington matched all six numbers to win the fifth largest jackpot in Powerball history, the ninth largest U.S. lottery prize ever, and the first of the new year.