Get

In Your Inbox

Dogster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Why Does My Dog Groan When Lying Down? 6 Vet-Reviewed Reasons

labrador retriever dog lying down against illuminated living room

We’ve all laid down after a long day and found ourselves groaning on the way down, so it should come as no surprise that dogs often do this too. There are actually a few reasons that your dog might be groaning as they lie down, and some of them are reasons for concern, so it’s important for you to pay attention to the other cues your dog is giving you to determine if you should be worried.

Dogster divider_v1_NEW_MAY_24_

The 6 Reasons Your Dog Groans When Lying Down

1. Contentment

One possible reason that your dog might be moaning and groaning is because they’re completely happy and content. Some dogs will make groans and other little noises of contentment while lying down in a comfy spot or getting attention from their favorite people. If your dog seems perfectly fine in every way and simply groans from time to time, then there’s likely no reason for you to be concerned.

west highland terrier dog lying on the carpet
Image Credit: Bogdanovich_Alexander, Shutterstock

2. Tiredness

Just like in humans, sometimes simply being tired can lead to groaning. Of all the times you’ve gone to lie down after a long day and let out a groan, did you do it intentionally? More than likely, it was just an automatic reaction. It’s common for dogs to do the same things, especially after a long day of traveling, exercise, or play.

If your dog has had a big day, then you likely shouldn’t be concerned about a little bit of groaning as they lie down. If they seem to be groaning a lot or groaning every time they change position, then you may need to investigate other causes.


3. Stomach Problems

There are many stomach problems that dogs can experience, from mild to severe. Mild to moderate stomach problems, like diarrhea, vomiting, bloating, and constipation, may cause your dog to groan as they lie down. More severe problems, like pressure from tumors, can also cause groaning and grunting as your dog lies down. You may also notice your dog groaning as they change positions, as sometimes the position change will exacerbate the discomfort they’re feeling.

Did you know that you can speak with a real vet online about your dog’s health?

To talk to a vet online, click on the image or button below:

PangoVet_Mention-in-Content Savings V1


4. Ascites

Ascites is what it’s called if your dog has excess fluid in their abdomen. This fluid is free-floating in the abdomen and not contained within an organ, so it does lead to noticeable swelling and distention of the abdomen. Ascites are indicative of an extremely serious medical problem, causes include liver failure, heart failure, cancer, and peritonitis.

If your dog is experiencing ascites, they will groan from pain and discomfort. Ascites will also make it more difficult for your dog to breathe, so they may groan as they’re trying to breathe better. If your dog’s abdomen is swollen and distended, it should be treated as a medical emergency, even if they don’t have a diagnosed medical condition. Some cancers and diseases can show very few signs until they become extremely advanced and deadly.


 5. Pain

Dogs experience pain for many reasons, from injuries to illnesses. Dogs with arthritis and other chronic pain conditions may groan as they lie down, stand up, or reposition themselves. Acute pain caused by new injuries or acute illnesses can also cause groaning from your dog. During a surgical recovery period, your dog may groan from pain as well.

Medical advancements have provided lots of great options for pain control for dogs, so it’s important for you to talk to your vet about the options if your dog seems to be groaning and in pain. It’s extremely important that you never give your dog any human medications, including over-the-counter pain medications and prescription narcotics. Some of these medications can be deadly for dogs. Always consult with your vet before giving any type of medication at home.

beagle dog sick sad on bed
Image Credit: Iryna Imago, Shutterstock

6. Confusion

As dogs age, they may begin to experience cognitive changes from canine cognitive dysfunction, or CCD. This condition is similar to dementia in humans and can cause your dog to experience confusion. New situations and low-light environments can exacerbate your dog’s confusion. Confused dogs might increase their vocalizations, including the use of groans and moans.

If your dog has had surgery and is still recovering from anesthesia, then you may also hear them groaning as they attempt to understand what’s happening around them. Dogs confused by anesthesia will start to feel better as the medication wears off. Cognitive changes causing confusion can be managed but may not be fully remedied by current medical options. Talk to your vet about the options for your dog, though.

Dogster divider_v1_NEW_MAY_24_

What to Do if Your Dog Is Groaning a Lot

If you’re having any difficulty determining if your dog is groaning from contentment or discomfort, then you should have them evaluated by your vet for safety. If your dog has started to groan when they lie down or change position and you’re also noticing other changes, like lethargy, inappetence, limping or stiffness, excessive licking or chewing, or yelping when handled, then it’s important that you have them seen by a vet as soon as possible. Since some of the causes of groaning are life-or-death conditions, it’s best to have your vet rule them out quickly.

sick border collie dog at the vet
Image Credit: antoniodiaz, Shutterstock

Dogster divider_v1_NEW_MAY_24_

Conclusion

Your dog may groan as they lie down for many reasons, but groaning is most commonly simply because your dog is content or tired after a long day. If your dog has only groaned once or twice, then there likely isn’t a reason for concern unless you’ve seen signs of an illness. However, if any of the conditions mentioned above sound like something your dog may be experiencing or they have a diagnosis of an illness or injury, then a vet visit is in order to keep your dog healthy, safe, and comfortable.

💛 🐶 Speak To a Vet Online From the Comfort of Your Couch!
PangoVet

If you need to speak with a vet but can’t get to one, head over to PangoVet. It’s our online service where you can talk to a vet online and get the personalized advice you need for your pet — all at an affordable price!


Featured Image Credit: Jaromir Chalabala, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything dog

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.

How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Dogster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.

Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

How to Rehome a Dog That Bites: Vet-Approved Guide

The decision to rehome a dog is always a difficult one. Most people take on a dog because they love animals and they...

How to Bike With Your Dog: Vet-Reviewed Do’s, Don’ts & FAQ

Cycling with your dog can be incredibly fun, and it can also be a great way for both of you to get a...

9 Best Retractable Dog Leashes in 2025 – Reviews & Top Picks

Retractable dog leashes are ideal for those canines that love to explore, but they need to be safe for your dog, you, and...

Does Air Quality Affect Dogs? 5 Vet-Approved Tips to Protect Your Dog

We need clean air to stay healthy, and our dogs are no different. Poor air quality can negatively impact humans, and if we’re...

More related

11 Best Smelling Dog Shampoos in 2025: Reviews & Top Picks

Picture this: your dog comes in from outside wanting to snuggle with you. It’s not long before your nose gets a whiff of...

Can Rottweilers Swim? How to Train Them (Vet-Reviewed)

People often think that swimming comes naturally to dogs. Labrador Retrievers provide proof of that assumption. Sometimes, it’s hard to get them out...

Male vs Female Shih Tzus: What’s the Difference (With Pictures)

Shih Tzus are a unique and coveted dog breed. More people, maybe you included, would love to own this cute, adorable pup. And...

Bichon Frise vs. Shih Tzu: The Key Differences (With Pictures)

The Bichon Frise and Shih Tzu are playful toy breeds that make excellent pets and are loyal and affectionate. Although they were prized...

Keep reading

9 Best Puppy Foods for Australian Shepherds in 2025 – Reviews & Top Picks

Every puppy is different, and Australian Shepherds have their own quirks. These large, active dogs need a lot of nutrition to keep them playing and growing all day long! These reviews go over a few of our favorite puppy foods...

dog eating from a stainless bowl

Can Dogs Eat Mozzarella Sticks? Health & Safety Facts

Is any comfort food quite as comforting as a plate of ooey-gooey mozzarella sticks? We don’t think so! The next time you find yourself with a plate of perfectly golden mozzarella sticks, you might find your dog curiously sniffing around...

Can Dogs Eat_mozarella sticks

What Is Animal Digest in Dog Food? Vet Reviewed Benefits & Drawbacks

Animal digest is an ingredient used in dog and cat foods to improve palatability. Dairy products, amino acids, and fats or fatty acids are other traditional palatants (also called flavor enhancers) added to dog and cat foods to make them...

man checking dog food label

7 Dog Cupcake Recipes You Can Make At Home Today

Dog cupcakes may seem like fancy treats saved for special occasions. However, they can be healthy snacks that you can make for your dog at any time of the year. Homemade dog cupcakes use natural ingredients, and you can control...

Dog Cupcake Recipes You Can Make At Home Today

Can Dogs Have Matcha? Vet-Verified Dangers & FAQ

Matcha can be found in a plethora of food and drink items, from lattes to ice cream. If you’re a fan of occasionally giving your canine companion a treat in the form of human food, you may be wondering if...

Dogster-Can-Dogs-Have-Matcha

Acana Dog Food Review 2025: Pros, Cons, Recalls & FAQ

Acana is a unique company that produces dog food in Alberta, Canada, and Auburn, Kentucky. It manufactures dog food for the American market in Auburn and formulas for Canada and Europe in Alberta. Champion Pet Foods, Acana’s parent company, has...

Dogster_Acana Dog Food Review

Can Dogs Eat Cheese? Vet-Reviewed Nutrition Facts & Safety Guide

As a dog owner, you may have given a piece of cheese to your dog as a treat, or they may have snagged a piece while you were making lunch. If you’re wondering if this is okay or are considering...

Can Dogs Eat Cheese

How to Feed Dogs With Pancreatitis: 6 Tips & Tricks

Feeding a dog with pancreatitis (inflammation of the pancreas) can be difficult, especially when it comes to finding the right diet for them during recovery and long-term feeding. Both acute and chronic pancreatitis both require changes to your dog’s diet...

Golden Retriever dog eating