Good Riddles

Question: I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes. What am I?

Question: At night they come without being fetched, and by day they are lost without being stolen.

What are they?

Question: What is it that after you take away the whole, some still remains?

Question: What kind of coat can only be put on when wet?

Question: I can be cracked, I can be made. I can be told, I can be played.

What am I?