Is she a very young puppy? If so, I would have her palate checked - just to be sure that she does not have a cleft palate at all. Othewise, I'm not sure why she'd be draining like that at night, unless perhaps she's having some seasonal allergies right now. Jersey is having some pollen right now - are here eyes runny, and/or is she pawing at her eyes, or is she biting/licking her paws (
www.pollen.com)?