Answer:
I sleep when you are awake, I am awake when you fall asleep. I can fly but no feathers to aid my flight. What am I?
You use a knife to slice my head and weep beside me when I am dead.
My geometry is lost in the night to be found in daylight's break. The rigors of time have torn me to shreds, yet I stand to protect that which lies within. What am I?
I need to be taken before you can have me. What am I?
You throw me out when you use me and take me in when you are done.
What never gets any wetter no matter how hard it rains?