Direct from our reality of just 5 minutes ago: Buddy the Kitten.
He is very, very tired but is obstinately refusing to rest. You know the pattern -- he is racing around like a small, fuzzy lunatic at present, but in a moment will simply drop unconscious for a good hour or two.
Here he is, having decided that dragging around a heavy blanket was something worthy of beaucoup effort. He is a focused little cuss.