When I thought about the role that the word "night" would play in the tragic play "Macbeth," I found that there were a variety of possibilities. Immediately, I thought of the nighttime as a period of rest and revitalization. I expected that this would allow characters to recover from the day's many demands. Secondly, I connected the night to the unknown. In the night's cloak of darkness, many more things could go undiscovered than in the revealing light of day. Next, I thought that the night would mean vulnerability. As the evening closes in, ....