[header] How to stop your dog from waking you up at night [title] Consult a veterinarian about behavioral changes. [step] If your dog is waking you up more than it used to, a medical problem could be affecting its sleep or stress levels. Visiting a vet is an excellent first step so you can rule out this possibility, or catch problems early. 
Even if your pet is not sick, a vet can help you pinpoint the cause. [substeps] Any significant change in behavior or sleep schedule could be a sign of a medical problem.