What Am I Riddles

Question:

Sad, sick, or sloppy I'll help you out,
Use me right and I'll cover your snout.

What am I?

Question: The more you work, the more I'll eat.You keep me full, I'll keep you neat. What am I?

Question:

Look at my apple, keep me near.

Listen closely, I'll put worms in your ear.

What am I?

Question: Every night I'm told what to do,
and each morning I do what I'm told.
But I still don't escape your scold.

What am I?

Question: A natural state, I'm sought by all.
Go without me, and you shall fall.
You do me when you spend,
and use me when you eat to no end.

What am I?