A dog howling in the middle of the night may be caused by the presence of strangers, discomfort, hunger, etc. Owners should pay attention to the dog's condition. If it is unwell, take the dog to the pet hospital for examination in time. treat. During the day, take the dog out for exercise to consume the dog's energy. You can also place some toys beside the dog to accompany the dog. When the dog makes any movement, the owner should respond promptly to avoid the dog's howling disturbing the surrounding residents' rest.