This dramatic moment is often used in acting classes and literature studies to show "character development through breakdown".
In this scene, Lady Macbeth is mentally unraveling. While sleepwalking, she obsessively tries to wash imaginary blood from her hands and speaks to her absent husband, Macbeth. come_give_me_your_hand
This specific line refers back to the night of King Duncan's murder, specifically the moment when a knock at the door forced the couple to hurry to their chamber to avoid suspicion. Draft of the Full Speech Excerpt This dramatic moment is often used in acting