And storing drunks in a common bed is disgusting. White sheets and vomit everywhere.

I can only imagine the hungover scramble to the bathroom (in this era? I don't know) over 30+ passed out revelers.

This would be in the chamber pot era so having the guests do their thing in parallel if you bring in enough pots. For bathing at this social class tubs would be brought in to the bedroom for actual bathing.