My boxer is a great girl normally but lately if a family member enters my room while I sleep she growls and has this very strange look about her totally unrecognizable, scarey! At first I just couldn't believe them that she growled when they came near me (since I was sleeping) but then on the next few occasions I heard it for myself. My family never harms her, they love her and she loves them but I am her primary caretaker (she really listens only to me), so I'm not sure why she feels that they are a threat to me while I sleep. I felt really bad when I heard her growl and yelled a harsh NO and gave her a whack on the behind since she was laying on top of me. I know the whack on the behind sounds horrible and it certainly is not in my practice to hit but I was half asleep and reacted immediately plus I will not have her harm loved ones while she thinks she's protecting me. Obviously, it would be a different story if they were strangers and I was in danger. Can anyone offer solid advice on this problem? I would truly appreciate it, thanks. I really love my dog to death, but I don't want family to be afraid of her.