What's weird is that I can do stuff around the house all day on the weekend and be fine. If I go to a grandkid's soccer game and stand outside, or go shopping for an extended period of time (browsing, as my lady calls it) I'm taking a nap when I get home. It's about the only time I take one.
I was thinking about naps yesterday for some reason. Are you much of a napper? I might take 3-4 a year, I'd guess. I assume that number probably increases as you get older, but I don't think I've hit prime napping age quite yet.