Why is My Dog Panting at Night?

Is your dog panting at night? Discover the common causes—from normal cooling to potential health issues—and learn when to be concerned and how to help your furry friend rest peacefully.

May 20, 2025byClaudia Smargiasso

why is my dog panting at night

 

 

Why is my dog panting at night? Nighttime panting in dogs can range from a normal behavioral response to a sign that there may be an underlying health condition. Understanding why your dog is panting at night can help you determine when to seek veterinary care and how to help your furry friend rest comfortably.

 

What Are Normal Reasons for a Dog Panting at Night?

Short-coated brown dog on bed
Panting is a relatively normal canine behavior. But night time panting can indicate a potential problem. Photo by Brooke Cagle on Unsplash

Temperature Regulation

Dogs cannot sweat like humans to regulate their body temperature. Instead, they rely on panting as their main cooling mechanism. When a dog pants, air moves over the moist surfaces of its tongue, lungs, and airways, allowing for evaporation and helping to lower its body temperature.

 

If your bedroom is warm at night or your dog has a thick coat, it may pant simply because it’s trying to cool down. Dogs with double coats or brachycephalic breeds (those with flat faces, like pugs and bulldogs) are especially prone to overheating and may pant more noticeably.

 

Post-Activity Cool Down

If your evening routine includes some playtime or a walk before bed, your dog may pant for a while afterward as its body temperature returns to normal. Just as you or I might be sweaty after exercise, dogs need time to cool down after activity, which can extend into the early nighttime hours.

 

Adult gray and white Bernese mountain dog on green field at night
Plan periods of activity earlier in the evening to avoid your dog panting at night. Photo by Jason Yuen on Unsplash

Dream and Sleep Cycles

Dogs also experience different sleep cycles, including REM (Rapid Eye Movement) sleep, when dreaming occurs. When your dog dreams, you may notice them twitching, making noises, or breathing rapidly. A dog panting at night may just be in the throes of an intense dream, which is usually nothing to worry about.

 

What Are Medical Reasons for a Dog Panting at Night?

A dog lying on the floor
A dog panting at night may have an underlying medical issue that requires attention. Photo by Sharon Yang on Unsplash

Pain or Discomfort

One of the most common medical reasons for a dog panting at night is pain. Dogs often hide their pain during the day when they’re distracted, but pain can become more noticeable at night when everything is quiet. Conditions like arthritis, dental issues, or internal pain can manifest as restlessness and panting, most commonly in older dogs.

Heart Problems

The heart’s function is to pump oxygenated blood from the lungs around the body, so when a dog’s heart is not functioning well, they may not get enough oxygen to their cells, causing them to try to bring in more oxygen by breathing more. Increased respiratory effort in the form of your dog panting more at night can indicate an issue with their heart. In particular, congestive heart failure and other cardiac conditions often worsen at night when the dog is lying down, as this position can put additional pressure on the heart and lungs.

Respiratory Issues

Conditions affecting the respiratory system can cause dogs to pant excessively as they try to take in more oxygen. Diseases like bronchitis, pneumonia, and laryngeal paralysis can cause your dog to pant excessively. Brachycephalic breeds are particularly prone to respiratory issues due to their shortened airways.

 

Dog panting at night
Brachycephalic breeds like pugs are prone to developing breathing problems which can lead to panting at night. Photo by Yoad Shejtman on Unsplash

Cushing’s Disease

Cushing’s Disease, also known as hyperadrenocorticism, is a condition in which the body produces too much cortisol. It’s most common in middle-aged and older dogs and often causes panting, excessive thirst, increased appetite, and a pot-bellied appearance. The symptoms of Cushing’s Disease may be more noticeable at night.

Cognitive Dysfunction

As dogs age, they can also be prone to cognitive decline and other diseases. Commonly, older dogs can develop a condition similar to dementia in humans, called canine cognitive dysfunction. This condition presents with confusion, anxiety, and altered sleep patterns, which may manifest as nighttime panting and restlessness.

What Are Common Behavioral Causes of Night Panting?

A brown and white dog laying on top of a bed
Anxiety is a common cause of panting at night. Photo by Dmytro Glazunov on Unsplash

Anxiety and Stress

Dogs can suffer from stress and anxiety, too. This heightened emotional state can cause your dog to pant at night, in particular, when the household is still and quiet, with fewer distractions. Separation anxiety, noise phobias (like thunderstorms), or general anxiety can all lead to nighttime panting.

Changes in Routine or Environment

Dogs are at their happiest when their days are governed by routine. However, they can become stressed when their ordered and predictable lives are changed. Moving to a new home, having guests stay, or even rearranging the furniture can cause temporary anxiety, which may lead to your dog panting at night.

When to Be Concerned About Your Dog’s Nighttime Panting

White and brown long coated small dog
Knowing what is normal for your dog is the first step in knowing when you may need to call the vet. Photo by Vitor Pádua on Unsplash

 

While occasional panting at night is fairly normal, several signs indicate you should consult your veterinarian:

  • The panting is excessive, loud, or sounds different from normal
  • Your dog seems distressed or unable to get comfortable
  • Your dog’s panting is accompanied by other symptoms like coughing, wheezing, or unusual behavior
  • Your dog is panting at night even when the temperature is cool
  • Your dog’s panting started suddenly and is persistent
  • Your senior dog has suddenly begun panting at night when they didn’t before.

How To Help a Dog Panting at Night

Short-coated brown dog sitting on road.
To help a dog panting at night, you must understand what is causing it. Photo by Alex Jones on Unsplash

 

  • Create a comfortable sleeping environment that isn’t too warm. In warmer months, consider using a cooling mat or fan to ensure your dog remains comfortable.
  • Establish a calming bedtime routine to help your dog feel secure. Avoid high-energy activities close to bedtime.
  • Address potential anxiety triggers causing your dog’s panting at night. This might involve desensitization training, creating a safe space for your dog, or, in some cases, consulting a veterinary behaviorist.
  • Regular veterinary check-ups can help catch potential health concerns early. This is especially important for senior dogs or breeds prone to certain health conditions.

 

Final Thoughts on Dogs Panting at Night

Short-coated brown dog showing tongue.
Persistent or excessive panting at night could mean that there’s something that needs to be addressed. Photo by Brandon Day on Unsplashdog digging

 

While panting is largely normal for dogs, persistent or excessive panting at night could signal that something isn’t quite right. By understanding what could be causing this nighttime panting, you can better determine when to consult your veterinarian and how to help your dog rest comfortably.

 

You know your dog best. If something seems off about your dog’s panting at night, it’s always better to err on the side of caution and seek professional advice.

Claudia Smargiasso
byClaudia Smargiasso

I’m a seasoned content writer with over 16 years’ experience. I’ve been lucky that much of my work has involved animals in some way, from writing inspiring content about African safaris and the wildlife that you can visit to writing pet content about domestic animals ranging from cats, dogs, hamsters, and even guinea pigs. When I’m not working, you can find me reading and spending time with my fiancé and our rescue cat or taking walks in the beautiful Dutch countryside and enthusiastically greeting all the dogs I meet along the way.