"Quiz show follies - Who Wants To Be A Millionaire?" joke

A married couple was watching the show, "Who Wants To Be A Millionaire?"
At the end of the show, the man said to his wife, "I think we will have an early night."
She answered, "Okay, but when I get to bed I am going straight to sleep."
And he said, "Is that you final answer?"
She replied, "Yes."
He said, "Okay, then I'm going to phone a friend."