What's wrong with dogs dreaming? This may imply that your dog is dreaming, and hum is the sound it makes in the dream. The dog may dream because it feels safe and comfortable, so it has the opportunity to fall asleep peacefully, just like a human being.
Dogs dreaming and humming this is normal. The owner does not need to worry too much. Just as people may talk in their dreams, dogs will also have this phenomenon.
The dog may be sick, rhinitis or parasites in its stomach. This is mainly judged by the dog's daily condition. When the dog is sick, he will also have symptoms such as depression, sneezing, diarrhea during the day.
Another reason is that the dog is uncomfortable or comfortable to sleep. This is mainly a problem with the dog kennel. The owner can check whether the dog kennel is suitable for the dog to determine its specific situation.