[b_squared]

"I know a couple of night watchmen and they're some of the most easily frightened people I've ever met. It's got to be the atmosphere that primes them for it."

Lack of sleep probably.

A few of the grave shift employees "swear" they see ghosts at work. I think its because of the way our buildings are set up which creates light and dark hallways and the windows kinda act like mirrors.