A dog that is restless and unable to sleep at night may be caused by high energy, separation anxiety, hunger, joint pain, desire to defecate and urinate, skin diseases, etc. It needs to be judged based on the dog's own situation, and then find the corresponding solution. Method. If the dog has been irritable, you can let the dog stay next to the owner, so that the dog will be more relaxed. If the dog still keeps barking after the owner comforts it, it is best to take the dog to the pet hospital for examination.