Riddle #2901

Question: When you don't have me, you want me, but when you do have me, you want to give me away. What am I?

Question: Surrounded by life , yet life is its biggest enemy. But without life there is no need for it to exist. What is it?

Question: During what month do people sleep the least?

Question: When is 99 more than 100?

Question: The more you add, the less it weighs.

Question: What makes a hotel hot even when below zero temperatures?