Random question.

OK, maybe not totally random. It pops to my head anytime I feel sleepy.

Like now.

Human beings, awake creatures that sleep once in a while 

OR

Sleeping creatures that wake once in a while?

Figuratively, when you are awake you are productive. Asleep you are not. 

The answer to this question will determine whether it is extraordinary to be awake or asleep.

Uh? Let's answer the question.