Why does my dog bark in his sleep but not when awake?

Why does my dog bark in his sleep but not when awake?

The source of the noise depends on the part of the airway that’s narrowed. Humans may talk or cry while sleeping, dogs are similar to humans, that is why dogs may growl while they sleep, that is normal, you do not need to worry about.

What does it mean when your dog barks in their sleep?

Running, Twitching, and Barking This includes rapid eye movement, otherwise known as REM sleep, during which dreaming occurs. Many dogs try to physically act out their dreamswhich often involves reliving memories of what they did that dayand this is the cause of sleep running, barking, and twitching.