It’s imitation. It’s a synonym for parody as well.
Did Jack really say it's not my responsibility?
The Mayor promised that the project would be completed in two months.
The professor asked, "When was the treaty signed?".
"You're out of your mind!", exclaimed Tony, slamming the door.
"I'm going to the newsstand", he said, "for a copy of the newspaper."
The composer asked if the orchestra would play this on Thursday.
This words simply means not easily convinced. Or even having doubts.
Answer:
In my opinion, sleepwalker is much alike to daydreaming.
Explanation:
Your mind is somewhere else but your presence is in a place you do not know you're still in. In life, we are sometimes sleepwalkers; not literally walking while asleep, but continuously going with the flow of life without knowing the purpose why you are still striving to live everyday. And I think it's normal, it happens to everyone. Maybe time will come you'll also realize your purpose.