Hmmmm....this makes me wonder if he's having reflux. Dogs will often swallow hard and repeatedly, and lick their mouths when having reflux. The reason it can happen at night is that it's after dinner time, and if he's laying down it makes reflux that much easy to occur.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |