With three year old, and dog.
And decides it would be fun to play "Let's keep Jason awake/wake Jason up!"
I'm a very light and VERY paranoid sleeper. I *have* hurt people who thought this game would be fun, and nearly drove a twelve inch metal spike through my own brother's throat before I came to my senses/fully woke up.
Oddly enough, they left shortly after I nearly put the dog through the wall.