DOCTOR: This disease is beyond my medical skills. But I have known people who sleepwalked without being guilty of any crimes.
LADY MACBETH: Wash your hands. put on your nightgown, do not look so pale! I tell you again, Banquo is buried. He cannot come out of his grave.
DOCTOR: What is this?
LADY MACBETH: To bed, to bed! There's a knocking at the gate. Come, come, come, come, give me your hand. What's done cannot be undone. To bed, to bed, to bed!