If your dog rolls over on his back, he is completely happy. If a dog seeks close physical contact, it is a sign that he is happy with his master or mistress.
If your dog's eyes are soft and radiate something gentle, you know that he feels in good hands with you. Dogs usually sleep more than 16 hours a day. If he feels stressed or threatened, his body is on alert. This means that the Wauwau can rest less and not as deeply.