I usually plan my day in the morning, which can actually take up valuable time when I am my freshest. After seeing this video I am reconsidering.
Jack Canfield makes a compelling case for planning your day the night before. This way it gives your subconscious time to work, so that you come prepared and ready with fresh ideas about how to accomplish what you set up the previous night.
Try and see if it works for you. I would love to hear your experiences.