Still being sick (which is getting really old, really fast) has made me contemplate the nature of sleep. Dictionary.com defines sleep as:
A natural periodic state of rest for the mind and body, in which the eyes usually close and consciousness is completely or partially lost, so that there is a decrease in bodily movement and responsiveness to external stimuli. During sleep the brain in humans and other mammals undergoes a characteristic cycle of brain-wave activity that includes intervals of dreaming.
It just seems weird to me that the act of “sleeping”, or “lying still”, causes are body to do anything. The fact that sleep supposedly makes you heal faster. Why? Because I am lying still? Because I have cut off “outside stimuli”?
I mean I know it works, but why does it work? What is is about closing your eyes, and essentially shutting down your brain, makes your body go “Oh, this feels good and I shall now work on fixing your body for you.”
Makes no sense to me.