The Science of Dog Sleep: Do Dogs Dream Like Humans?

Have you ever watched your dog twitch, whimper, or even move their legs in their sleep as if they were running? If so, you’ve probably wondered—do dogs dream? And if they do, what are they dreaming about?

The world of dog sleep is fascinating and shares some striking similarities with human sleep patterns. However, there are also key differences that make canine sleep unique. Let’s explore what science tells us about dog sleep, dreaming, and how we can help our furry friends get the best rest possible.

How Much Do Dogs Sleep?

Dogs are champion sleepers compared to humans. While most adult humans need around 7-9 hours of sleep per night, the average dog sleeps 12-14 hours a day—and even more for puppies and senior dogs.

🔹 Sleep Duration by Age:

  • 🐶 Puppies: 18-20 hours per day (rapid brain development needs more sleep)
  • 🐕 Adult dogs: 12-14 hours per day
  • 🐾 Senior dogs: 14-18 hours per day (aging slows metabolism, requiring more rest)

🔹 Sleep Needs by Breed:

  • Larger breeds (like Great Danes & Mastiffs) tend to sleep more than smaller breeds.
  • Working breeds (like Border Collies & Huskies) may sleep less if mentally stimulated.

💡 Interesting Fact: Unlike humans, who usually sleep in one long session, dogs experience polyphasic sleep, meaning they nap multiple times throughout the day.

The Stages of Dog Sleep

Just like humans, dogs go through different sleep cycles. Their sleep is divided into two main phases:

1. Slow-Wave Sleep (SWS) – The Light Sleep Phase

  • This is the first stage of sleep when a dog is just dozing off.
  • Their heart rate slows, breathing becomes steady, and muscles start to relax.
  • Dogs can easily wake up from this stage, which is why they often nap lightly.

2. Rapid Eye Movement (REM) – The Deep Sleep Phase (Where Dreams Happen!)

  • This is the stage where dreaming occurs, just like in humans.
  • Dogs may twitch, paddle their legs, bark, or whimper as they experience dream activity.
  • Brain activity during REM sleep is very similar to when they are awake, suggesting vivid dreaming.

🐶 How Often Do Dogs Enter REM Sleep?

  • Dogs enter REM sleep about every 20 minutes and stay in it for about 2-5 minutes per cycle.
  • In contrast, humans enter REM sleep about every 90 minutes and stay in it much longer.
  • This is why dogs sleep more overall—they need more cycles to get adequate REM sleep!

💡 Interesting Fact: Puppies spend much more time in REM sleep than adult dogs. Scientists believe this helps with brain development—just like in human babies.

Do Dogs Dream? What Science Says

Yes! Dogs absolutely dream. In fact, research suggests their dreams are likely very similar to ours.

In a study conducted at MIT, researchers found that rats have dreams based on their waking experiences. By monitoring their brain activity while awake and asleep, scientists discovered that rats mentally “replayed” their experiences in their dreams.

Since rats have less complex brains than dogs, scientists believe that dogs also dream about their daily experiences—like chasing a ball, going on a walk, or playing with their favorite human.

🔹 What Do Dogs Dream About?

  • A Labrador might dream of fetching a tennis ball.
  • A Border Collie could dream about herding sheep.
  • A Beagle might dream of sniffing out an exciting new scent.

💡 Fun Theory: Some researchers believe dogs might even dream about their owners! A heartwarming thought, isn’t it?

Can Dogs Have Nightmares?

If dogs can dream, that means they can also have bad dreams. If you notice your dog whimpering, growling, or appearing distressed in their sleep, they could be experiencing a nightmare.

🔹 What Could Dogs Have Nightmares About?

  • Past trauma (especially in rescue dogs who’ve had a rough past)
  • Separation anxiety (dreaming of being alone)
  • Stressful events (like a visit to the vet or loud fireworks)

⚠️ Should You Wake a Dog Having a Nightmare?
It’s usually best not to wake them. Sudden waking during REM sleep can confuse or startle a dog, sometimes leading to an accidental snap or bite. Instead, speak to them softly to help them transition naturally.

How to Improve Your Dog’s Sleep

Just like humans, dogs sleep best when they feel safe, comfortable, and stress-free. Here are some tips to improve your pup’s sleep quality:

✅ Provide a Cozy Bed – Dogs prefer soft yet supportive beds to cushion their joints. Orthopedic beds are great for senior dogs.
✅ Set a Sleep Routine – Consistent sleep times help regulate their internal clock.
✅ Give Enough Exercise – Tired dogs sleep better! Make sure your pup gets enough physical and mental activity.
✅ Reduce Noise & Light – A quiet, dim environment promotes deeper sleep.
✅ Try Calming Aids – Weighted blankets, calming chews, or lavender scents can help anxious dogs.

Dogs Dream Just Like Us!

Science confirms what many dog owners have long suspected—dogs not only dream, but they dream about their daily lives, just like we do. Whether it’s chasing a squirrel, running through a field, or cuddling up with their favorite human, our furry friends experience the joys, adventures, and even worries of life in their dreams.

So next time you see your pup twitching in their sleep, you can smile knowing they’re probably dreaming about their favorite things. 🐾