Why Does My Kitten Sleep with His Tongue Out?

Joey asleep with his tongue out

If you’re a cat owner, you’ve likely seen your furry friend sleep in a variety of positions. But have you ever noticed that sometimes your kitten may sleep with his tongue out? This quirky habit may seem strange, but it’s actually quite common among felines. Let’s explore the reasons why kittens might sleep with their tongues out and what it could mean for their overall health.

Why Is My Kitten’s Tongue Out While Sleeping?

Your kitten may sleep with his tongue out because he’s in a relaxed state, regulating his body temperature, or experiencing teething discomfort. These are generally normal and harmless behaviors for kittens.

Before we dive into specifics, however, let’s take a look at basic feline anatomy and typical kitten behavior.

The Anatomy of a Cat’s Mouth and Tongue

To understand why your kitten might sleep with his tongue out, it’s important to first have a basic understanding of a cat’s anatomy. Cats have a unique mouth and tongue structure that allows them to regulate their body temperature, clean themselves, and even express emotions. The tongue of a cat is covered in tiny, backward-facing barbs, or papillae, that help to groom their fur and keep them cool.

The role of the tongue in regulating a cat’s body temperature is especially important. When a cat gets too hot, they pant to release heat and lower their body temperature. This is where the tongue comes into play – as they pant, they also stick their tongue out to allow more air to circulate and cool them down.

Normal Kitten Behavior

Kittens are known for their playful, energetic antics, and adorably peculiar habits. In between their bursts of energy, kittens require a considerable amount of sleep to support their growth and development.

One intriguing aspect of kitten sleep behavior is the tongue-out phenomenon, also known as “blepping”. Observing your kitten snoozing with its pink tongue sticking out might seem odd, but rest assured, it’s a relatively typical part of their sleeping habits.

What Is Blepping?

Blepping is a term used to describe the behavior when a cat or kitten sticks their tongue out slightly and leaves it there, often for an extended period. This adorable phenomenon can happen when a cat is relaxed, momentarily forgetful, or while sniffing around. It’s worth noting that blepping is not exclusive to cats, as other animals like dogs can also exhibit similar behavior.

Reasons for a Kitten Sleeping with Its Tongue Out

There are several possible explanations for your kitten’s tongue-out napping:

Relaxed State

Kittens often sleep with their tongues out when they’re deeply relaxed. As their muscles loosen and their body unwinds, their tongue may slip out of their mouth. Given that kittens require ample rest, this behavior is not surprising.

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Body Temperature Regulation

Cats, including kittens, use their tongues to regulate body temperature. Kittens have a hard time regulating their body temperature, which means they can get too hot quite easily. When this happens, they might pant and stick their tongues out to release heat and cool down. If your kitten falls asleep with their tongue out, it could be a means of maintaining a comfortable temperature during their slumber.


Teething is a normal part of kitten development, generally occurring between 2 and 6 months of age. As new teeth erupt and old ones fall out, your kitten might experience discomfort, which can lead to their tongue poking out as they sleep.

Joey asleep with his tongue out

I love feeling the breeze on my tongue while I catch some z’s. Besides, it’s my signature move! I mean, how else am I supposed to stay cool and show off my adorable smile at the same time? Plus, it drives all the girl kitties wild, if you know what I mean! #TongueOutTuesday #KittyNaps #TooCuteForWords #TrollingForGirlKitties


Health-Related Issues

While it’s usually harmless for your kitten to sleep with their tongue out, it’s essential to watch for any signs of underlying health problems. Keep an eye out for persistent tongue protrusion, changes in behavior, or appetite that may indicate something is amiss.

Some common oral health issues that might cause your kitten’s tongue to stick out include dental problems and upper respiratory infections. If you suspect your kitten is experiencing any of these issues, it’s crucial to consult a veterinarian.

Is It Normal for My Kitten to Sleep with Her Tongue Sticking Out?

Yes, it is normal for a kitten to sleep with her tongue sticking out. As mentioned earlier, this behavior can be a result of deep relaxation, where the kitten’s muscles, including those controlling the tongue, loosen, and the tongue slips out. Other factors, such as body temperature regulation or teething discomfort, can also contribute to a kitten sleeping with her tongue out.

Tips for Promoting Healthy Sleep Habits

To ensure your kitten remains healthy and content, consider the following suggestions:

Provide a Comfortable Sleeping Environment

Create a cozy and safe space for your kitten to rest. This could include a soft bed or blanket, a quiet and secure spot, and a consistent routine to help them feel secure.

Encourage Regular Dental Care

Help your kitten maintain optimal oral health by introducing them to dental care early on. This may involve using a kitten-safe toothbrush and toothpaste, as well as providing dental chews and toys.

Monitor for Signs of Illness or Discomfort

Stay vigilant and observant of your kitten’s behavior, particularly during sleep. If you notice any sudden changes or signs of distress, consult your veterinarian for advice.


A kitten sleeping with their tongue out is often a harmless and endearing habit. It can be attributed to relaxation, body temperature regulation, or teething. However, it’s important to be aware of potential health issues and take necessary steps to ensure your kitten’s well-being. By understanding and monitoring your kitten’s behavior, you’ll be well-equipped to provide them with a healthy, happy, and comfortable life.

What is Blep? | Cat Daddy Dictionary

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