Tim Cook gets up at 3.45 a.m. Pepsi CEO Indra Nooyi gets up at 4 a.m. Disney CEO Bob Iger is a 4.30 kind of guy.

Jack Dorsey sleeps in until 5.30. So does my buddy Richard Branson.

Rarely do night owls get good press.

Because hey: Successful people wake up early.

Well, at least some of them do.

As Adam Grant says, “The world’s most successful people aren’t worried about what time others wake up. They wake and work on the schedule that works for them.”