Riddle: There is a man. his name is bob. bob is so rich that he has a mansion on a private island. He also has a butler, who is also his nightwatcher. Bob is going on a trip to America. He's going to take one of his plains. Before he got on his plain, his butler went up to him and told him that he had a dream that the plain was going to crash. Bob fired him and went on the plain anyway. Needless to say the plain crashed. But why was the butler fired.
Answer: When do you sleep? at night. rite wel the butler was also the nightwatcher.