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Dog Dreams: What’s Going on in Your Dog’s Dreamland

dreaming dog

Have you ever noticed your dog twitching, whimpering, or moving their legs or tail while they’re curled up fast asleep? Pup parents have long been curious about what happens during their dog’s sleeping hours. Humans dream, so…do dogs? Our canine companions spend so much time sleeping—experts suggest that dogs sleep 12 hours per day on average. Surely their brains are busy dreaming for at least some of this time.

Do dogs dream?

Like us, dogs go through several sleep cycles while they’re snoozing. These cycles are made up of two stages: slow-wave sleep (SWS) and rapid eye movement (REM) sleep. We know that humans dream, and since the sleeping brains of dogs and people go through similar stages of activity, it is safe to assume that dogs dream, too. In fact, scientists believe that most vertebrates can and do dream on a regular basis.

How often do dogs dream?

Dogs spend about half of their day sleeping. For puppies, senior dogs, and larger breeds, time spent sleeping can be even longer. Just as people vary in how often they dream and what they dream about, researchers believe that is also true of dogs.

When it comes to how often dogs dream, size matters. Small breeds have more frequent dreams than large dogs. These small dog dreams are shorter in duration, however, lasting only a minute or two. Large dogs, on the other hand, have fewer, but longer dreams that can last as long as ten minutes.

Frequency of dreams

The frequency and length of dreams also depend on your dog’s age. During deep REM sleep, the brain processes information it gathered throughout the day. Puppies will spend more time in dream sleep than an adult dog, as they are constantly acquiring huge amounts of new information and have much to process at night.

Dream length and frequency are also related to the amount of sleep your dog needs based on their activity level. A large dog that has an active day outside may sleep more soundly and experience longer phases of REM sleep, giving him more time to dream.

Signs your dog is dreaming

You’ve probably witnessed your pup whimpering, barking, moving their legs or tail, or engaging in some other odd behavior while they doze. These are indeed indications that your furry friend is likely dreaming. If you can see their eyes moving behind their eyelids, they’ve begun to dream.

These physical signs of a dreaming pooch have to do with their pons, a part of the brain stem that is involved in controlling sleep cycles and the regulation of deep sleep. The pons is responsible for inhibiting large muscles from moving during sleep. During REM sleep, your dog’s brain functions much like it does when awake, except their pons keeps them from physically acting out whatever is happening in dreamland. Puppies and older adult dogs twitch and move a lot in their sleep because the pons is underdeveloped in puppies and less efficient in senior dogs.

What do dogs dream about?

What is your dog doing in their dreams? Playing with a doggy friend? Chasing an intruder or prey? Running down their tennis ball in a big, open field? While they can’t verbally tell us, we know that animals, including dogs, tend to dream as we do.

Much like ours, doggy dreams are largely connected to and informed by what your canine companion does all day. Information and experiences gathered during the day are processed while they sleep and may be relived in their dreams. Dreams can also be influenced by your dog’s breed—Pointers may point birds; Doberman Pinschers may chase imaginary bad guys.

Curious to see if you can figure out what your pup is dreaming about in real-time? Watch your snoozing friend to see if you can detect any physical indications. REM sleep typically begins about 20 minutes into a nap and lasts for two to three minutes, during which time you might see moving eyelids or hear a muffled bark.

Do dogs have nightmares?

Not all human dreams are good. We can assume that dogs sometimes have nightmares, too. Just like human nightmares, while they aren’t fun, they’re harmless. It’s important to keep in mind that your dog may be a little disoriented when they first wake from a nightmare, and it can take a minute for your dog to remember where they are. Dogs can react aggressively toward the person waking them, so while we hate to watch our pups whimper in distress, it’s best to let them be. Left to their own devices, they’ll quickly settle back into reality after waking from a nightmare.

Let sleeping dogs lie

Dogs dream just like we do, processing information and playing out scenarios from their everyday lives. Considering how much our pups sleep, they might even dream more than we do. Their vocalizations and twitching body parts may show you what they’re dreaming about—see if you can figure out your pup’s dreams!

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