"My dog, specifically at nighttime, will randomly growl... I was just petting her gently, and she growled. Other nights, we will just simply move, and she will be lying in her crate, and she'll growl.

Recently I was awakened from a deep sleep by someone poking me. I complained and whined. It didn't work to stop the annoyance. Finally I blurted out "whaaaat?" in an angry tone of voice. My poor ...