Lisa Simonson likes dive bars. In fact, the 24-year-old marketing professional by day likes them so much, she works at two of them, while waitressing at a third. "You can sleep when you're dead," she says with a smile. We caught up with Simonson at Mark's Sports Pub, 4035 S. Clement Ave., where she explained why regulars are friendly, funnier and more apt to start a fight when they see a patron who's wet his pants.