What Am I Riddles

Question: When you stand up he sleeps When you sleep he stands Who is it?

Question: My thickness is no more than a few centimeters, yet my depth can span to infinity. Although mundane, I intimidate most animals. When in my presence, you will inevitably follow me. What am I?

Question: I can be half without getting thinner.
I can shine with no fire.
I can be hidden but never taken.
I can stay dry while moving the ocean.

What am I?

Question: A vivid reality, a naked morality, a place where wishes come true.

Question: I have 6 faces and 21 eyes, but can't see a thing. What am I?