There are many theories as to why dogs sleep with their tongues sticking out but the most popular belief is that it helps keep their airways clear.
When a dog’s tongue is in its usual resting position in the mouth it covers the windpipe.
By keeping the tongue out dogs are able to breathe more easily and get more oxygen into their system.
Another theory is that sleeping with the tongue out helps keep the teeth clean.
The saliva produced when a dog sleeps helps to wash away bacteria and plaque from the teeth and gums.
A third explanation is that dogs stick their tongues out when they’re relaxed and content.
It’s a sign of submission and shows that they trust their pack leader (ie you).
Do All Dogs Sleep With Their Tongue Out?
There’s a popular belief that all dogs sleep with their tongues sticking out.
But is this true?
The answer is: It depends.
Some dogs do sleep with their tongues sticking out while others don’t.
And the reason why some dogs stick their tongues out when they sleep varies from dog to dog.
For some dogs sleeping with their tongues out is simply a habit – something they do without thinking about it.
Other dogs may stick their tongues out because they’re hot or because they’re uncomfortable.
And in some cases a dog may stick its tongue out when it sleeps because it has an underlying health condition such as a respiratory infection.
Is It Normal For Dogs To Sleep With Their Tongues Out?
Yes it is normal for dogs to sleep with their tongues out.
In fact many dogs sleep with their tongues sticking out of their mouths.
Dogs do this because it helps keep their airways open and allows them to breathe more easily while they are sleeping.
It is also a position that is comfortable for them.