Each single room's bathroom doesn't have a door, and the bed is such that your head lies right where the bathroom opens to the bedroom, so any odor in the bathroom can be smelled while you are sleeping. For me, in particular, the bathroom seems to be cleaned using some chemical that I'm very allergic to and I cannot fall sleep with that smell.
To their credit, they moved me to a double room a few days after I reported this issue. This room had a door to the bathroom so it wasn't so bad.
Nevertheless, all the rooms are rather small, despite how spacious the lobby looks. The cleanliness is suspect. For example, when I tried to grab the laundry bag in the closet, I found it full of dust.