Hotel / Motel, Hotel / Restaurant Las Vegas hotel room fire put out by sprinkler system (Las Vegas, NV) February 17, 2012 viking210 Women fell asleep while smoking a cigarette catching the mattress on fire. The woman woke up and ran out of the room. The fire was doused by an automatic sprinkler.Firefighters said they evacuated the second floor but had allowed guests to go back in their rooms. No injuries were reported.