Good Riddles

Question: What can you touch but not see?

Question: While you're asleep You are also Awake, While you are Awake you're also asleep. What is it?

Question: In the books of a famous writter, How many letter in Those Books?

Question: I'm in every room, yet outside. I move at different paces, but you never see me moving. Where ever I am its crowded, but when your there you don't see or feel anyone. If you try to hit me you always miss, yet you always feel me. You need me to live, but I cause disasters. What am I?

Question: What is it that no one wants to have, but if he has it, he doesn't want to lose it?