Answer:
What gets wetter as it dries?
It regulates our daily movements, but it feels no interest in our lives. It directs us when to come and go, but does not care if we pay attention. What is it?
You saw me where I never was and where I could not be. And yet within that very place, my face you often see.
A horrid monster hides from the day, with many legs and many eyes. With silver chains it catches prey. And eats it all before it dies. Yet in every cottage does it stay. And every castle beneath the sky.
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.