Answer:
The time between daylight and darkness when blood drinkers like to come out
People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?
I am flora not fauna. I am foliage not trees. I am shrubbery not grass.
You shoot me but I don't die. You hang me but I don't die. 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?
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic