I can think of two instances in the last 10 years where I've stayed at a hotel and had my room become disgustingly full of pot smell from someone else in the ho

I can think of two instances in the last 10 years where I've stayed at a hotel and had my room become disgustingly full of pot smell from someone else in the hotel. So yes, people smoke in hotels. That said, I haven't smelled _cigarette_ smoke in a hotel in recent memory.