Ok, Princess does that kind of digging right before she is going to bed so that she gets her blankets and pillow just right. But, there is this other kind of digging she has been doing lately. Please tell me if your yorkies do this: in the middle of day she will do this very fast kind of digging--almost like there is something under the blanket she wants to get to. I then pull up the blanket and she doesnt do or want anything. She is doing it right now as I write this and now she the fur blanket she is doing this to is all over her face. Why is she doing this? She looks so determined