The most successful people know that exercise is the key to mentally and physically pushing themselves further, though some are more willing to keep up the habit than others.
Numerous studies have found exercise to be one of the most important habits you can develop to transform your life. Working out can make you healthier, happier, and better able to sleep; it can boost your memory, concentration, and mental sharpness; and you don't need to spend a lot of time doing it to reap the benefits.
From tennis to surfing to basketball, here are the exercise habits of 15 successful people.
Vivian Giang contributed to an earlier version of this article.
President Barack Obama sweats it out 45 minutes a day, six days a week.
Exercise has helped the president become the man he is today. Obama admitted in his autobiography "Dreams From My Father," to being a casual drug user and underachiever until he started running three miles a day.
Today, he continues to stick to his workout routine, which is a combination of strength and cardio. In an interview with Men's Health, Obama said he works out for 45 minutes, six days a week. He'll even wake up early to work out despite not being a morning person.
He's also known to play basketball on courts in federal buildings around Washington.
Richard Branson gets four additional hours of productivity every day by working out.
When author Tim Ferriss asked the mogul how he stays productive, Branson answered "work out," as recorded in Ferriss' 2010 book "The 4-Hour Body."
Branson said his physical activities, which can include swimming, Bikram Yoga, rock climbing, running, and weightlifting, give him at least four additional hours of productivity each day.
Warren Buffett chooses exercise over diet.
The billionaire loves his hamburgers, hot dogs, and Coca-Cola.
To avoid a change in diet as suggested to him by doctors, he chose to exercise instead, the "lesser of the two evils,"he told CNBC.
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