Tycjan Gralak
Tycjan Gralak voted up Linilla Schmidt's answer

Although not always considered a room, depending on the house, I'd say hallways-that-have-stairs or stairwells.

Then there's the bedroom. I heard of a woman that  slipped on a newspaper on the floor by her bed. Clutter by the bed is bad.

The woman broke her neck (!) and has to be cared for round the clock, and … Read more