Lady Macbeth started sleepwalking when Macbeth went where?

Lady Macbeth started sleepwalking after Macbeth went to murder King Duncan. The guilt from their actions began to haunt her, leading to her sleepwalking episodes where she attempted to wash away imagined bloodstains from her hands. This behavior symbolizes her overwhelming guilt and descent into madness as the consequences of their ambition take a toll on her psyche.