Willie Gest

Occupation: MSNBC Host

Willie Gest is quite popular for his famous show "Way Too Early with Willy Gest", this show airs on weekdays at 5.30 a.m and it has now become his habit to wake up before 3.30 a.m.

 In an article for the popular Bloomberg Businessweek, he had described few tricks on how to stay awake. He said “If you catch your body at a weak moment, as I often do, it might actually believe you when you tell it after four hours of sleep that you actually slept a full night and you feel like a million bucks.”

Donald Trump

Age: 66

Occupation: Chairman and president of The Trump Organization

Net worth: $2.9 billion (2012)

Donald Trump was once cited saying "How does somebody that's sleeping 12 and 14 hours a day compete with someone that's sleeping three or four?" thus is his vigor and competitive spirit. He completely credits his success to sleeping only three or four hours each night.

Trump has various businesses and companies under his belt and he is very popular for his catchphrase ‘You’re fired!’

Dominic Orr

Occupation: President and CEO of Aruba Networks

Industry: Computer Networking

Employees: 1200

Dominic Orr has a habit of waking up before dawn and working late in the evenings. Wall Street Journal reported saying that; he sleeps only for fours a night and would still work late. Fortune magazine also reported saying that there is an improvement from what it was with him earlier – He used to work for 18 hours a day, while he was an executive in HP during 90’s and would continue his work once he reaches home by answering mail and calls.