Should Your Dog Sleep in Your Bed?

What the Research Actually Says

The landmark study is from the Mayo Clinic, published in 2017. Researchers tracked the sleep of 40 adults and their dogs over seven nights using accelerometers — objective measurement, not just self-reporting.

The headline finding: dogs in the bedroom didn’t disrupt sleep. People who slept with a dog in the room maintained 83% sleep efficiency — normal by clinical standards. But when the dog was actually in the bed rather than elsewhere in the room, sleep efficiency dropped. The difference was statistically significant.

Interestingly, the dogs slept well regardless of where they were — on the bed, on the floor, in their own bed. Sleep quality didn’t vary by breed or dog size. And the humans rarely remembered being woken by their dog during the night, even though motion data showed the dogs were moving around.

The takeaway isn’t “never let your dog in the bed.” It’s that the bedroom is fine; the bed is a trade-off. You gain comfort and closeness. You lose a small amount of sleep quality. Whether that trade-off is worth it is personal.

Why So Many People Do It Anyway

Co-sleeping with dogs isn’t a modern indulgence. Aboriginal Australians slept beside dogs and dingoes for warmth and protection — the phrase “three-dog night” (meaning a very cold night) comes from this practice. Cultures across the world have shared sleeping spaces with dogs for thousands of years.

Today, the reasons are mostly emotional, and the benefits are measurable.

Stress and anxiety reduction. The presence of a warm, breathing companion lowers cortisol and increases oxytocin — the same oxytocin loop that fires when you’re close, working overnight. For people living alone, dogs in the bedroom provide a sense of security that directly improves their ability to fall asleep. This kind of quiet, social bonding is one of the foundations of a settled dog.

Chronic pain. A study published in Social Sciences found that people with long-term chronic pain reported overwhelmingly positive effects from sleeping with their dogs. The companionship acted as a distraction from pain and worry, and participants reported reduced loneliness — a common companion to chronic illness. The dogs benefit too: social connection is one of the strongest predictors of canine health, with effects on health five times stronger than financial factors.

Bonding. Many owners are away from their dog for most of the working day. Nighttime is the longest continuous period they spend together. Removing the dog from the bedroom eliminates hours of passive companionship that both species value.

Children. Nearly 35% of children share a bed with a pet. And contrary to older advice, research suggests infants exposed to dogs may actually be less likely to develop allergies later in life — the early exposure appears to build immune tolerance.

The Honest Downsides

Sleep disruption. It’s real, though usually mild. Dogs move, scratch, reposition, and occasionally dream-run at 3am. A 2020 study confirmed that dogs in the bed increase human movement during the night — but most people don’t remember being disturbed. The disruption is measurable but not always felt.

Allergies. If you’re allergic to dog dander, having your dog on your pillow will make it worse. This is straightforward. Regular washing of bedding and keeping dogs off pillows can reduce the impact, but if your allergies are significant, the bedroom may need to be a dog-free zone.

Hygiene. Dogs carry bacteria on their paws and fur. A study found 86% of dogs tested positive for Enterobacteriaceae on their fur or footpads. For healthy adults, this is rarely a problem — especially if they’ve recently rolled in something, that’s a bath night, not a bed night. For immunocompromised people, young infants, or the elderly, the risk is higher and worth discussing with a doctor.

Behaviour. One study found dogs who slept on the bed were more likely to show attention-seeking behaviour. But this is a correlation, not necessarily a cause — it’s equally possible that attention-seeking dogs are the ones who end up in the bed, rather than the bed making them needy. If your dog is already showing signs of separation anxiety or over-dependence, co-sleeping may reinforce it. If your dog is well-adjusted, it probably won’t create a problem.

What About Your Dog?

Most of the research focuses on the human side — does the dog disrupt your sleep? But the dog’s perspective matters too.

Most dogs want to be near you. 86% of puppies in one study chose to sleep near a human when given the option. This isn’t neediness — it’s a species that evolved alongside humans expressing a fundamental social preference. Forcing a social animal to sleep in isolation when they’d rather be close isn’t neutral. It has an emotional cost.

But some dogs sleep better alone. Dogs who are restless sleepers, dogs who guard resources (including sleeping spots), dogs who become reactive when disturbed during sleep, and dogs with orthopaedic issues that need a specific bed surface may all do better with their own dedicated sleeping space nearby — in the room but not in the bed.

Older dogs who still want to be up there. This is the one that gets people. Your dog has slept on the bed for twelve years and now their hips or joints won’t let them jump up. They stand beside the bed and look at you. A dog ramp or a set of pet stairs solves this immediately — and it’s one of the most worthwhile purchases you can make for an ageing dog. It preserves the routine and the closeness without forcing a painful jump. If your senior dog has always slept with you, don’t make them stop because their body is changing. Adapt the access instead.

Puppies are a special case. A puppy in a crate or bed near yours builds security and makes toilet training manageable. A puppy in your bed is warm and wonderful but may delay independence and complicate training. Most trainers recommend starting puppies in their own bed close to yours and graduating to the big bed (if you choose) once they’re reliably house-trained and settled.

The Dog Happiness Position

We’re not going to tell you what to do. This is one of those questions where the honest answer is: it depends.

If you sleep well with your dog in the bed, your dog is well-adjusted, and everyone in the household is happy — there’s no scientific reason to stop. The benefits to your bond, your stress levels, and your dog’s emotional security are real.

If your sleep is suffering, your allergies are flaring, or your dog’s behaviour is becoming problematic — moving them to their own bed in the room (not out of the room) preserves the companionship while improving sleep quality. The Mayo Clinic data is clear: bedroom yes, bed maybe.

The best-of-both-worlds approach: Many owners find their dog helps them fall asleep — the warmth, the weight, the rhythmic breathing is genuinely soothing. But once they’re drifting off, the dog starts repositioning, sprawling, or generating heat that wakes them up an hour later. If that’s you, there’s nothing wrong with letting your dog onto the bed at bedtime and gently moving them to their own bed once you’re ready to sleep properly. The comfort of falling asleep together and the quality of sleeping apart aren’t mutually exclusive. Some dogs learn this routine naturally. Others need a comfortable alternative nearby that makes the transition easy — a good dog bed right beside yours, at the same height if possible. Calming music at low volume can help anxious dogs settle in their own bed.

And if your dog has never been in the bedroom and you’re considering it — try it. Watch what happens. Many people are surprised by how much calmer their dog becomes when they’re allowed to sleep near their person. And many people are surprised by how much they enjoy it too.

The 3am paw in your face is the price of admission. For most of us, it’s worth it.