Answer:
I lose my head in the morning and regain back it at night.
I am in the middle of water but am not an island.
I am a cold man without a soul. If there is warmth in me, it slowly will kill me. What am I?
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I've told you all, I cannot tell you more. What am I?
I am a little piece of paper, yet sometimes hold lots of value. I am all you need to get into big events, but will cost you. I am an important part of travel. And if lost, you're not coming. What am I?
I flow from the Homer’s mouth when he sees doughnuts.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic