Genesis 20:3

20:3 But God appeared to Abimelech in a dream at night and said to him, “You are as good as dead because of the woman you have taken, for she is someone else’s wife.”

Genesis 20:6

20:6 Then in the dream God replied to him, “Yes, I know that you have done this with a clear conscience. That is why I have kept you from sinning against me and why I did not allow you to touch her.