I am sitting here at about 1:45am. I just finished working on a logo for a client, I glanced down at my to do list and was astonished to find out that I crossed out everything. Wow this is the first time that this has happened. I realized I only had four things on my list today and usually I have like 20. The point is keep your to do list short (realistic) so you will accomplish what you need to. If you do have a long list then prioritize it so you can accomplish what really needs to be done.

Additional reading: Six Slam-Dunk Time Management Tips