I’ll be home after midnight, so don’t wait up for me. I’ll see you tomorrow morning.
   
A.     to allow time to go by, especially while staying in one place without doing very much, until someone comes, until something that you are expecting happens or until you can do something
   
B.     the resting state in which the body is not active and the mind is unconscious
   
C.     to not go to bed at night because you are expecting someone to arrive