A dog may start barking at 45:00 in the morning because it is hungry, wants to defecate, or is energetic. The reason needs to be determined based on the dog’s condition. It is best to change it in time, otherwise it will easily disturb people if it develops a habit. rest. It is enough to feed the dog twice a day. Feed the dog before waking up in the morning, so that the dog will think that it can eat as long as the owner wakes up. It is best to have dinner around 6 o'clock, and take the dog out to defecate half an hour after the meal. This can prevent the dog from wanting to defecate in the middle of the night or in the morning, and also prevent the dog from being too energetic.