Memory lapse or loss.
Decreased reaction time.
Sound familiar? If so, sleep deficit might be an issue, and even if not, well, "unapologetic napping" (a phrase I like from author Terry Hershey) is good for body and soul. Places that incorporate a siesta time in their day seem to be healthier than our driven North American way.
It doesn't have to be a long nap. Sometimes just laying down as long as it takes to drift off is enough. When I allow myself the pleasure of a nap, I usually set my clock for fifteen minutes or so, and wake up refreshed and ready to go, without spoiling my night time sleep. I'm suffering with benign (read: pain in the neck) vertigo these days, so I'm napping a bit more than usual.
If you can't take a nap today, save it for your next day off. If you can, happy napping!
(Image borrowed from The Napping House, a wonderful children's book by Audrey Wood. Highly recommended, if you haven't seen it yet.)
P.S. Looking for more Simple Suggestions? Try here.