Michael Hyatt takes a nap every day and has some good reasons for doing so. Personally, I tend to be a “keep going until I have no more energy to expend” person, and I can feel that it isn’t good for me.
Some days, I take a break and use pzizz energizer [App Store] to help me adhere to a 20-minute nap. The days I nap I feel much better. Maybe there’s something to it.