The Reason Why Your Dog Sleeping With Tongue Out


There is no one who does not love doggies. If you look carefully, you can find dogs in every household. You even hear one saying that dogs are the most trusted friends of humans.

Dogs are the one that always stands by your side when you are in trouble. I witnessed an incident when my dear dog helped me to come out of that hassle. All in all, dogs are all of your favorite pets.

However, did you notice one thing at night: 'your dog sleeping with tongue out?' If not, then try to see it today. But now, let's explore why your dog sleeps with its tongue out.

The Ultimate Reasons Of A Dog Sleeping With Its Tongue Out

You will come across several reasons for dogs sleeping with their tongue out. So, keep reading.


The first reason of 'why does a dog sleep with its tongue out' is relaxation. Dogs sleeping with their tongues out can be compared to people who are snoring since they are sleeping so profoundly. Actually, from time to time, you might even hear your dog snoring.

Dogs' tongue falls out as their mouth open, and their jaw muscles start to relax. They must hold their mouths shut to maintain their tongues because they are larger than their mouths. However, when a dog is highly calm, its tongue often extends.

Moreover, your dog's tongue may often totally fall out. If your dog is not showing any more symptoms of concern, it is typically just an indication that they are having fun and are in relaxation. 


 High Temperature

The second reason your dog sleeps with its tongue out is when your dog is experiencing hot or high temperatures. However, dogs pee in hot weather because they do not sweat as humans do.

Additionally, dogs struggle to remove water from their tongues and paw pads when they get hot. They do not sweat a lot as humans do from their skin.

Consequently, it is possible that your dog is feeling hot. Thus, it will begin to breathe heavily while it is sleeping.

And your dog may also start to sweat a little and feel hotter than usual. But, as your dog awakens from its sleep, you should take precautions against high temperatures and ensure that it has access to plenty of water.


Another reason your dog suddenly sleeps with its tongue out is when dogs dream, their tongues frequently hang out. They sleep with their tongue out if they dream about sucking on anything like water or nursing a puppy.

Even sleeping dogs often show suckling behavior; they stretch their tongues out and slightly curl them when they swallow. They are only daydreaming about their mother, and there is nothing wrong with that.

Also, dogs may hang their tongues out when they are deep-sleeping and fantasizing about something else. Additionally, they might shake, bark, or even scream when they sleep.

 Lacking Teeth

Another reason dogs sleep with their tongue out is the lack of teeth. You can often see that most senior dogs sleep with their tongues out. It happens because those senior dogs might be suffering from dental problems.

However, if you adopted your dog, it is possible that you are not even aware that your dog lacks teeth. The teeth of a dog mostly keep the tongue inside.

Even when your dog is unconscious, it does not know that it needs to keep its tongue inside. Your dog likely lacks any front teeth if its tongue spreads out frequently.

Moreover, I was talking about senior dogs, or 'old dogs sleeping with their tongues out.' It means that the old dog lacks front teeth or its mouth is small enough to hold its tongue.

 Alterations In Medication

A lot of unusual things can happen to individuals and humans when their medications are changed. Do you ever genuinely give importance to the negative impacts of medications described in radio or television advertisements? They genuinely make you wonder if your illness is bad enough to require taking medication.

Pets who are taking certain drugs may experience dry mouth. However, if your dog is starting a different medication, that may be why their tongues stick out. Therefore, contact your physician if you find any changes in your dog.


A dog may sweat when they are anxious or stressed. They can calm down and relieve some of the anxiety they are experiencing by panting. So, anxiety is another reason dogs sleep with their tongues out all of a sudden.

However, dogs frequently go to sleep after engaging in activities like playing games or biting on bones. After one of these incidents, dogs may sweat while sleeping off and keep their tongues out.

 Nasal Blockage

Due to possible excessive snoring, dogs may also rest with their tongues out. When your dog sleeps with its tongue hanging out but pulls back inside once awake, it could indicate a blockage in the nasal passages, which would prevent them from breathing normally.

Therefore, these are some reasons for 'your dog sleeping with tongue out.' Please keep reading to know more about a dog sleeping with its tongue out and eyes open.

How Can I Deal With My Dog's Tongue-out Sleeping Position?

There is usually no answer for most of the dogs. They are sleeping with their tongues out, and that is entirely normal. So, there is nothing you can do about it.

Your dog may be sweating while sleeping because it is scorching. However, depending on the cause of your dog's tongue-out sleeping position, there may be times when you should take action:

Cool down the room when your dog is feeling hot. It is typical because dogs utilize their tongues to control their body temperatures.

And dogs frequently experience heat faster than humans do because humans have more surface area on which to drain sweat.

Secondly, moisturize your dog's tongue if it is getting too dry. Dogs who constantly hang their tongue out may experience problems with a dry and cracked tongue.

If you examine your dog's tongue, you must be able to tell whether it is moist. You can re-wet it with water or olive oil if it becomes too dry.

1. Why Does The Tongue Of My Sleeping Dog Hang Out?

Due to their extreme relaxation, many dogs sleep and rest with their tongues hanging out. It frequently comes as a straightforward indicator of excitement and joy.

And the reason for it is pretty simple. A healthy dog usually hangs its tongue out while sleeping to control the body's temperature.

2. How Can I Determine If A Dog Sleeping Is Suffering From A Seizure?

Every dog dreams, but some show their dreams through paddling, twitching, or leg kicking. These movements are usually irregular and brief. However, dogs that have their limbs seized usually move more violently.

3. Why Did My Dog's Eyes Suddenly Open When He Was Sleeping?

Your dog might sleep with its eyes open if they are dreaming. But sometimes, their legs could start to move as well.

It frequently happens while your dog is sleeping deeply. Since a wild dog will be unprotected during that deep sleep, this is considered an evolutionary feature.

Wrap Up

In the end, I would say there are many reasons for a 'dog sleeping with tongue out' that I have provided above. Therefore, it can be because of dehydration, stress, lack of teeth, etc.

But you should not worry about the causes because it is natural. And how to deal with that? You can cool down the temperature of your dog's house or moisturize its tongue.

Moreover, you also can encounter your dog sleeping with its eyes open. I have provided the reason for it as well. So, to get all the information, stay tuned to this article and read it whenever you want.


  • All Post arrow
  • Lost & Found Pet Tips arrow
  • Pet Behavior arrow
  • Pet Training arrow
  • Pet Food arrow
  • Pet Health arrow
  • Pet Care arrow
  • Pet Safety arrow
  • Others arrow

Get Your Pet Back Home

Over 10 million dogs and cats are lost or stolen every year. You can report your missing pets with PawMaw.
Pet Behavior
February 22, 2024 Pawmaw

8 Reasons Why Dogs Howl When You Howl

Howling is a natural behavior for dogs, and they love to mimic it with their owners. This is harmless and there can be several reasons like bonding or...
Pet Behavior
February 18, 2024 Pawmaw

10 Reasons Why Is My Puppy Breathing So Fast While Sleeping?

Observing your puppy breathing fast while sleeping is normal, but it's important to be cautious due to various reasons, not all of which are tension-r...
Pet Behavior
February 13, 2024 Pawmaw

Why Is My Puppy Biting Me Aggressively?

Why is my puppy biting me aggressively? Learn the causes, signs, and solutions for aggressive puppy biting and how to raise a well-behaved and happy d...

Get Your Pet Back Home

Over 10 million dogs and cats are lost or stolen every year. You can report your missing pets with PawMaw. We can notify thousands nearby within a minute.

Report Lost Pet