Jet Plane Dream

A security guard has a dream that the jet plane his boss is supposed to take the next day is going to crash

When he wakes up, he calls his boss at home and tells him

His boss listens to him and decides not to take the plane.

The next day, the plane crashes

The boss calls the security guard to his office and gives him a reward -- and then fires him

He asks his boss why he's being let go

The boss replies, "You were sleeping on the job."