Answer:
What always goes to bed with his shoes on?
The more holes you cover the lower it goes.
My life can be measured in hours. I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
Only two backbones and thousands of ribs.
Look into my face and I'm everybody. Scratch my back and I'm nobody.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?