I've come to the conclusion that, when I'm having trouble sleeping, it's far more beneficial to find something to occupy my time and attention than complaining about not being able to sleep (I do that, too, sometimes, although I've definitely gotten better). Anyway, last night was a "Facebook-surfing-to-occupy-my-time" way to deal with insomnia (rather than reading or watching TV or whatever), and I found myself intrigued by the following picture I found on my friend Jen's Facebook wall. I…