Bill Clinton

Bill Clinton is the 42^nd President of United States of America and he is also the third youngest president in American history. Though he has changed his sleeping habits after his heart surgery, he was earlier renowned for sleeping just for five or six hours a night throughout his term as a president.

Tom Ford

Occupation: Fashion designer and film director

Nationality: American

Age: 51

Tom Ford dropped out of NYU to pursue a career in fashion designing, this later led to his quick landing in Gucci as a design director. It is accounted that the company’s value increased by 90 percent under his leadership.

Ford does not relate the company’s success to his talent but says that it is due to his energy. He sleeps for only three hours a day.

Ma Ying-Jeou

Ma Ying-Jeou is the 12^th and 13^th term president of the Republic of China. Earlier this year, Ying-Jeou was elected again to serve his second term as the President of Taiwan. The New York Times relates his success to his intense discipline and work ethic. It is said that he sleeps only four hours a night and exercises regularly by waking up before dawn.