You can ask fear to tell you exactly what is going to jump out. Tell fear that he doesn't have the power to make something jump out. He is such a poor liar. Tell fear that all he can do is just to frighten you, that's about all he can do.

Tell fear that you are going to give him 5 minutes to make something jump up. Tell fear that after 5 minutes you are going to sleep. Ask him to wake you up if he manage to make something out of nothing. You want to see what it is.

Unless you are living in the wilderness or somewhere... then there is a cause to be concerned.