Answer:
You can always see it, but it's too far away to touch. Mountains rest on it, and at sea it surrounds you. What is it?
I weaken all men for hours each day. I show you strange visions while you are away. I take you by night, by day take you back. None suffer to have me, but do from my lack.
What letter comes next: O T T F F S S ?
I bind it and it walks. I loose it and it stops.
I can run but not walk. Wherever I go, thought follows close behind.
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?