How many hours do dogs sleep every day?

When a dog is just born, he needs to sleep 22 hours a day, and the remaining two hours are used for drinking milk and excretion. Adult dogs need to sleep about 15 hours a day. It seems to us that the dog can sleep at any time. The dog may be playing very enthusiastically with the owner one moment, and then doze off the next moment. Even if it is lying next to or even on the lap of the owner, enjoying the owner's comfort. You can also enjoy the massage to the point of squinting.

Dog sleep is divided into deep sleep and light sleep

Like humans, dog sleep is divided into light sleep and deep sleep. When sleeping in light sleep, it is easy to wake up at any time, which is also a kind of sleep. The primal instinct to stay alert. When entering deep sleep, the dog's body will be relaxed and dreaming.