[ Surely none of them shouted any such nonsensical vampiric cries that would be ear-aching? Though, maybe they did.

What surprises them most is that apparently most of the vampire clientele is decent enough for the other to say that. But, perhaps it is simply the way of this other person's world; anything is possible, after all. ]

I'd say being woken up in the middle of the night could feasibly occur with any other type of room-mate.

...Though, since most of them are reasonable, what would you say is the worst vampire you have met? I assume that the snore of a vampire isn't so apocalyptic, after all~

If they do make any sound when they sleep.