How to Know If Your Dog Is Dreaming

Co-authored by Colleen Demling-Riley, CPDT-KA, CBCC-KA, CDBC

Last Updated: July 21, 2025

Have you ever wondered if dogs could dream? Have you ever looked at your dog when he was sleeping, wondering if he was chasing after something? Interestingly, the brain activities of a sleeping dog and sleeping human are very similar,^{[1]
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Research source} making it reasonable to believe that dogs actually do dream. Even though your dog cannot tell you in words what he’s dreaming about, you can observe his body language to gain a better understanding of his dreams.

Part 1

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Learning Your Dog’s 'Dream' Body Language

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1
Learn the different sleep stages. Just like people, dogs have different stages of sleep: short wave sleep (SWS) and rapid eye movement (REM).^{[2]
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Research source}REM is considered to be the “sleep of body,” when the body is relaxed but the mind is very active.^{[3]
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Research source} Dogs dream during REM.^{[4]
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- SWS is known as the “sleep of the mind,” when brain activities have decreased, but muscle tone is still present.^{[5]
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- It would be somewhat difficult to wake up your dog during the REM sleep stage,^{[6]
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  Research source} but he would probably wake up more easily during SWS.^{[7]
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Observe your dog’s eye movements. Dogs tend to start dreaming about 20 minutes after they fall asleep.^{[8]
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Research source}Rapid eye movement is one of the most obvious signs that your dog is dreaming. If you look closely enough, you may be able to see your dog’s eyes moving under his eyelids. This movement is due to your dog actually seeing his dream images as if they were happening in real life.^{[9]
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- Your dog’s eyes may be fully or partially closed when he is dreaming.
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Watch your dog’s body movements. Quite naturally, dogs dream about typical dog activities (e.g., running,digging a hole and fighting with an imaginary burglar).^{[10]
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Research source} His body movements when he is dreaming will likely reflect what is happening in his dream. For example, if he is running and/or chasing after something in his dream, you’ll probably see all of his legs moving in a running motion.
- Your dog’s movements will likely be gentle and intermittent when he is dreaming, even if he is ‘running.’
- Your dog may also have occasional muscle twitches during his dream. These twitches will look jerky and will not last long. He will quickly fall back into a more relaxed state.^{[11]
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- Even though your dog may move occasionally while he is dreaming, his overall body posture will suggest that he is relaxed and at peace.
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Listen to your dog’s vocalizations. Your dog may begin to make various noises when he is dreaming. For example, he may bark, whine, or cry, depending on what he is dreaming about. Usually, these vocalizations will be brief and infrequent,^{[12]
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- Your dog may also breathe differently during a dream. For example, he may start to breathe rapidly or have brief periods when he holds his breath.^{[13]
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- Your dog’s breath may also become shallow.^{[14]
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What to do When Your Dog is Dreaming

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Do not wake up your dog when he is dreaming. As much you appreciate having uninterrupted sleep, your dog would also appreciate if you did not wake him up. Similar to human dreams, your dog’s dreams function to process and reorganize what he did during the day.^{[15]
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Research source} By allowing your dog to sleep and dream uninterrupted, his brain will be better able to process information.
- A helpful saying to remember when your dog is dreaming is “Let sleeping dogs lie.”^{[16]
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- You may need to wake him up if he looks like he’s having a bad dream or nightmare (e.g., distressed-sounded vocalizations). If this is the case, gently call his name (without touching him) to wake him up.^{[17]
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  Expert Source
  
  Colleen Demling-Riley, CPDT-KA, CBCC-KA, CDBC
  Canine Behavior Consultant
  
  Expert Interview} When he is awake, talk to him in a reassuring voice to help him calm down.^{[18]
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^{[19]
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Expert Source

Colleen Demling-Riley, CPDT-KA, CBCC-KA, CDBC
Canine Behavior Consultant

Expert Interview} Depending on what your dog is dreaming about, he may be in a relatively active state when he is sleeping. If you try to wake him by touching him, he may react defensively and try to scratch or bite you.^{[20]
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Research source}^{[21]
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Expert Source

Colleen Demling-Riley, CPDT-KA, CBCC-KA, CDBC
Canine Behavior Consultant

Expert Interview}

EXPERT TIP

Colleen Demling-Riley, CPDT-KA, CBCC-KA, CDBC
Canine Behavior Consultant
Colleen Demling-Riley (CPDT-KA, CBCC-KA, CDBC) is a Canine Behavior Consultant and the Founder of Pawtopia Dog Training. With more than 20 years of experience, she specializes in creating and customizing dog management programs for dog owners. She is a Certified Pet Dog Trainer-Knowledge Assessed, Certified Behavior Consultant Canine-Knowledge Assessed, Certified Dog Behavior Consultant, and American Kennel Club Canine Good Citizen Evaluator. Colleen is a member of the International Association of Canine Professionals and has been a featured expert in national media including the New York Times, Woman’s Day, Readers Digest, Cosmopolitan, and Yahoo.com.

Colleen Demling-Riley, CPDT-KA, CBCC-KA, CDBC
Canine Behavior Consultant

A dreaming dog may startle and accidentally bite when touched. If you'd like to wake them up, use a unique sound or whisper their name. You can also shake their bag of treats to get their attention. If it's necessary to touch them, do so gently on their hindquarters while saying their name.
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Learn what a seizure looks like. At first glance, your dog’s movements and vocalizations during a dream may look troubling, and you may wonder if he is having a seizure. Recognizing what a seizure looks like will help you determine if your dog is having a seizure or is just having a very active dream. For example, if your dog is having a seizure, his body will become stiff and he may begin to tremble heavily or have violent muscle activity.^{[22]
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- During a seizure, your dog may start to pant excessively and might vomit, urinate, or defecate.
- If your dog is having a seizure, his eyes may be wide open but have a blank stare. He might also begin to have loud, involuntary vocalizations (moaning, howling, screaming). These vocalizations might be very unsettling to you, but are not signs of pain and distress.
- Unlike a dream, your dog will likely lose consciousness if he is having a seizure. Because of this, he would not respond to you if you called his name.
- If your dog has had a seizure, he would be very disoriented and confused after regaining consciousness. This is different from a dream, which your dog would wake up from and not feel disoriented.
- If your dog is having a seizure, stay calm and stay away from his head and mouth. Clear away any item, such as furniture, on which he could injure himself. Even though he may be unconscious, talk to him in a soothing voice until the seizure ends. When the seizure ends, cool him down with a fan and call your veterinarian.
- Seizures require immediate medical attention.

How Can You Tell That a Dog Is Dreaming?

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Question

How do you know if your dog is having a seizure?

Melissa Nelson, DVM, PhD
Veterinarian
Dr. Nelson is a Veterinarian who specializes in Companion and Large Animal Medicine in Minnesota, where she has over 18 years of experience as a veterinarian in a rural clinic. She received her Doctor of Veterinary Medicine from the University of Minnesota in 1998.

Melissa Nelson, DVM, PhD

Veterinarian

Expert Answer

Seizures show symptoms like: losing consciousness, collapsing to the ground, falling to the side, paddling limbs, jerking, tremors, twitching, stiffening limbs and muscles, drooling or foaming at mouth, and chomping and tongue chewing. They will frequently defecate or urinate during a seizure.

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Question

How do you know if your dog is having a seizure?

Melissa Nelson, DVM, PhD
Veterinarian
Dr. Nelson is a Veterinarian who specializes in Companion and Large Animal Medicine in Minnesota, where she has over 18 years of experience as a veterinarian in a rural clinic. She received her Doctor of Veterinary Medicine from the University of Minnesota in 1998.

Melissa Nelson, DVM, PhD

Veterinarian

Expert Answer

Seizures show symptoms like: losing consciousness, collapsing to the ground, falling to the side, paddling limbs, jerking, tremors, twitching, stiffening or limbs and muscles, drooling or foaming at mouth, and tongue chewing. They will frequently defecate or urinate during a seizure.

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If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
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Question

What do dogs dream about?

Pippa Elliott, MRCVS
Veterinarian
Dr. Elliott, BVMS, MRCVS is a veterinarian with over 30 years of experience in veterinary surgery and companion animal practice. She graduated from the University of Glasgow in 1987 with a degree in veterinary medicine and surgery. She has worked at the same animal clinic in her hometown for over 20 years.

Pippa Elliott, MRCVS

Veterinarian

Expert Answer

Dreaming is a way of processing sights, sounds, and experiences that the dog encountered during the day. We can't know for sure, but it seems likely that dogs dream about doggy things such as chasing a ball, barking at intruders, or even suckling milk from their mother.

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Tips

Puppies tend to dream more than adult dogs, likely because they have more novel experiences and have more information to process about their new environment.

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For unknown reasons, small dogs have been found to dream more than larger dogs.

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Warnings

Seizures are a serious medical disorder. If you think that your dog is having seizures, take him to your veterinarian immediately for a thorough medical examination.

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