Good Riddles

Question: A man is lying dead with a backpack on, face down in the desert. What happened?

Question: What has no beginning, end, or middle?

Question: Why is the man standing in the sink?

Question: You are locked in a car and have a hammer. How do you get out?

Question: I'm the one that gives you information, I'm the one that lets you have the ability to control yourself, I'm the one that stores all memories and without me you'll be dead in a instant. What am I?