Wouldn't those go hand in hand? At least the night creatures do seem to prefer darkness so I would think ghosts are the same.

[Leave it to Maria to just sort of show up like an apparition herself. She abruptly offers out a bag too filled to the brim with vending machine snacks. She'll never breathe a word on how long it took her to find out which buttons went with what snacks and just how to work the whole bloody affair. After figuring out her car though she feels powerful enough to tackle any technological thing.]