Long Riddles and Answers

Question: What devours everything from birds, to tree, bats, and bees? Surrounds you wherever you are, and is always moving?

Question: I sit high glowing and watch the world go by, without me everything would seem dull and dangerous. What am i?

Question: When you fall in me your as happy as could be, but you fall into depression when you lose me.

What am I?

Question: The doctor gives you three pills and tells you to take one every half hour. How long before you run out of pills?

Question: I'll bring out your bulls,
and slow your roll.
I may even come out of your skull.

What am I?