We work in hospital renovations, never thought much of it or believed the stories. From time to time you'd get a guy telling you some stuff, usually in an old hospital.
We have a lot of late night shut-downs, because obviously that's when the place is less active. We're in this shell space, me and the plumbers, and those dudes, all 5 or 6 of them, jumped at the same time. Freaked out, they swear it was a ghost.
Couple hours later, towards the end of this thing, I see one of the guys just walk right behind me and out of the space, like he's going home. I go after him to see wtf is happening and he isnt there. I go back into the space, turn the corner and they're all there. I didn't say shit, because maybe I was a bit tired, but I've never felt something like that, no matter how delirious. I saw him, his hard hat and vest blow by me like he didn't give a shit anymore.
I actually hope they do exist to be honest, but why the fuck you hanging out in a hospital?