Are you the world's worst hotel guest?

From exercising in the hallways to stealing from your room, here's what travelers are doing

A few hours after Matt Rogers checked into his hotel in Dallas, he heard rhythmic grunting noises outside his door. They were coming from one of the worst hotel guests ever.

"He was doing his workout in the hallway," recalls Rogers. "It was really obnoxious."

Rogers knows a thing or two about working out — he's a personal trainer himself — but he says the…