This is all over the web, generally titled "Why Women Can't Sleep." But I saw it for the first time today and have to say, it's as good a visualization as any of the perpetual motion machine in my head that keeps me up at night.
Points to my husband for being man enough to forward it.
Every one of those little blue balls is a thought about something that needs to be done, a decision or a problem that needs to be solved.
A man has only two balls and they take up all his thoughts.
Yeah, that's about the size of it... or, um, them.
Made me laugh until my eyes started to droop, being as I'm so tired all the time.