Why do dogs like to sleep when they are small?

The reason why dogs like to sleep when they are small is because they are depressed. Being depressed will make the dog have no energy to move. At present, there is no special method to treat parvovirus. Conservative treatment is often used in clinical practice. Treatment measures include symptomatic, supportive, and prevention of secondary infection based on the principles of large amounts of fluid rehydration, antidiarrheal, hemostasis, antiemetics, and strict control of food intake.