Yeah my dogs will bark in their sleep too, not their normal barks it's quiet high-pitched sort of barks. As for the Cavalier king charles snoring yes it is normal for them to snore. My grandma's King Charles would snore while it slept and it snorted too while it was awake. It has to do with their noses being so smushed into their faces. Pugs, I believe, are the same way. The snoring is normal though.