Answer:
The more you have me the less you see. Shine a light on me and I shall flee.
I may seem real but it always turns out I was never there in the first place... you only see me during a certain resting stage.
Break me and I am better, immediately set and harder to be broken again. What am I?
I never sleep yet sometimes I weep. I can get angry or just be happy. Wherever you go, I will follow. No matter what you do, I will be there. I cannot die. What am I?
You may enter, but you may not come in. I have space, but no room, I have keys, but open no lock. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.