Sleep is the transitional state between wakefulness and death and gives our body and mind a chance to maintain, repair and protect itself. Lady Macbeth's true personality is revealed during the sleepwalking scene. Her character follows the pattern of decline, despair and death. This pattern starts when she no longer had control over her husband, followed by hallucinations when she is sleepwalking and finally in suicide.
In the sleepwalking scene Lady Macbeth cannot bear to be without light, this is a contrast to the beginning of the play when she wanted to be surrounded by darkness. We see…