What Mark Cuban, Richard Branson, and 13 other successful people do on weekends

For some, the weekend's a sacred retreat from the hustle and bustle of work.

For others, the weekend is a myth - Saturday and Sunday are mere extensions of the workweek and a chance to get ahead of the competition.

Judging from the ways successful people spend their - at least theoretical - time away from work, there really is no right or wrong way to structure your weekends. It's all about striking the right balance for you.

Here's how some of the most successful people do it: