Should You Let Your Dog Sleep in Your Bed? A Research-Backed Guide

In this guide, you'll learn:

• What the science actually says about co-sleeping and dog behavior
• What the Mayo Clinic sleep study found (bedroom vs. bed)
• The real — but uncommon — hygiene risks, and how to reduce them
• When co-sleeping is not a good idea
• A simple, positive way to move your dog to its own bed

Will Sleeping in My Bed Make My Dog Dominant or Anxious?

No — this is one of the most common myths, and it isn't supported by evidence.

The "dominance" idea comes from old wolf-pack hierarchy theories that modern animal behaviorists have largely rejected. Domestic dogs don't run a household power struggle, and where your dog sleeps does not make it the "pack leader." There's no reliable evidence that a dog sleeping on your bed — or even up by your pillow — is asserting status.

The picture on separation anxiety is more nuanced:

• There is no evidence that co-sleeping causes separation anxiety.
• One survey-based study of dogs found that dogs sleeping inside the home tend to show fewer behaviors associated with separation anxiety and aggression than dogs kept outside.
• However, in dogs that already tend to be anxious, some research has found that sleeping very close to the owner is associated with more separation-related behaviors. This is a correlation in certain dogs — not proof that the bed caused it.

Takeaway: For a confident, well-adjusted dog, the bed is fine. For an already-anxious or reactive dog, co-sleeping may not be the best setup — but the sleeping spot is not the root cause.

What Did the Mayo Clinic Study Actually Find — Bedroom vs. Bed?

This is the detail most people get slightly wrong. A widely cited Mayo Clinic Center for Sleep Medicine study tracked 40 healthy adults and their dogs over 7 nights using motion-tracking devices. It measured sleep efficiency — the share of time in bed actually spent asleep (about 80% is considered satisfactory).

So the accurate way to put it: having a dog in the bedroom is generally compatible with good sleep and can add a sense of comfort, while having the dog in the bed itself may slightly reduce sleep quality for some people. It's not quite right to say "sleeping with a dog improves your sleep." (Note: this study measured human sleep, not dog health.)

What Are the Real Benefits Owners Report?

Beyond the sleep data, the most commonly reported benefits are emotional — best understood as associations, not guarantees:

• Comfort and security. Many owners — especially people who live alone or feel anxious at night — report feeling calmer with a dog nearby. The Mayo data supports the "sense of security" piece.
• Companionship and bonding. Sharing a room or bed is often tied to a stronger owner–dog bond.
• Warmth and routine. A predictable nighttime routine with a pet can feel soothing.

Some parents also feel a dog in the room helps a child feel less afraid at night. Evidence here is limited and anecdotal, so it's best treated as a possible benefit rather than an established fact.

What Are the Hygiene and Health Risks?

Risks are real but uncommon for healthy adults. A CDC review documented that close pet contact, including bed-sharing, can occasionally transmit zoonotic infections — illnesses that pass from animals to people. Documented (but rare) examples include flea-borne infections, cat-scratch disease, and certain bacterial infections, along with fleas, ticks, and parasites carried into bedding. Dander and hair can also worsen allergies or congestion in sensitive people.

Simple ways to lower the risk:

• Keep flea, tick, and deworming treatment current, per your veterinarian.
• Wash bedding regularly and wipe paws and coat to reduce dirt and allergens.
• Keep up routine veterinary check-ups and vaccinations.
• Don't bed-share while your dog has active fleas, ticks, or a skin or digestive infection.

Because shared bedding means more contact with your dog's skin and coat, some owners like to understand their dog's skin patterns as part of a regular grooming and hygiene routine. The Pawomics Skin Microbiome Test helps pet owners better understand skin microbiome patterns and skin-related wellness signals — as an informational wellness resource, not a diagnosis.

When Is Co-Sleeping NOT Recommended?

Skip bed-sharing — or set up separate sleeping — in these cases:

• Young or small puppies (roughly under 6 months). A puppy can be rolled on, crushed, or injured falling off the bed. Use a crate or bed nearby instead.
• Very young children, who are more vulnerable to bites and infections.
• People with weakened immune systems, who are advised to avoid bed-sharing with pets.
• Reactive, anxious, or startle-prone dogs. A dog that sleeps lightly may snap reflexively if touched in the night — a protective reflex, not "aggression," but a real safety reason to give it its own space.
• Recently adopted dogs still adjusting — many feel more secure in their own spot at first.
• Comfort or space mismatch, like a large breed on a small bed, or heavy snoring and drooling that disrupts your sleep.

How Do You Move Your Dog to Its Own Bed?

Moving a dog out of your bed works best as a gradual, positive process — no punishment needed. Be consistent: allowing the bed "just once" tends to restart the habit.

1. Pick the right bed. Size it to how your dog sleeps (curled vs. stretched out).
2. Make it inviting. Place it in a quiet spot — at first inside your bedroom — with cozy blankets, a familiar toy, or an item with your scent.
3. Introduce it positively. Reward interest in the new bed with treats and praise.
4. Practice during the day. Encourage naps there so the dog links the bed with rest.
5. Start nearby. Put the dog's bed next to yours for the first few nights.
6. Redirect calmly. If the dog jumps up, a calm "off" and a reward for returning to its own bed works better than scolding.
7. Move it gradually. Over several nights, shift the bed toward its final location.
8. Be patient. If the dog struggles, go back a step. For a fully separate room, a consistent routine over about two weeks usually works.

A calm, healthy dog is an easier bedmate and settles more readily into its own space. For daily digestive support, Pawomics Veterinary Probiotics 3-IN-1 combines prebiotics, probiotics, and postbiotics in an easy powder stick for dogs and cats.

How Should You Decide? An Owner Checklist

There's no universal right answer — base it on your dog, your health, and your preference:

• Is your dog healthy, parasite-free, and up to date on vet care? → Lower risk.
• Is your household free of allergies or immune concerns, and not sharing with a young child? → Lower risk.
• Is your dog calm and confident, and does it settle or leave the bed easily when you move? → Good co-sleeping candidate.
• Does your dog sleep lightly, startle, or guard space? → Better with its own bed.
• Does the dog on the bed disrupt your sleep? → Try "in the room, not on the bed."

If everyone is comfortable and healthy, co-sleeping is a reasonable personal choice. If it adds stress, allergy symptoms, or poor sleep, a separate bed nearby gives most of the comfort with fewer downsides.

FAQ

Does letting my dog sleep in my bed make it dominant?

No. The dominance idea is based on outdated wolf-pack theory and isn't supported by evidence. Sleeping spot doesn't determine "pack rank."

Will sleeping with my dog give me better sleep?

Not exactly. Research shows a dog in the bedroom is usually fine and can feel comforting, but a dog on the bed may slightly lower sleep efficiency.

Is it dangerous to sleep with my dog?

For healthy adults with a well-cared-for, parasite-free dog, the risk is low. It's higher for young children and people with weakened immune systems, who are advised to avoid bed-sharing.

Can my puppy sleep in my bed?

It's not recommended for young puppies (roughly under 6 months) — there's a risk of being rolled on or falling. A crate or bed beside you is safer.

Does co-sleeping cause separation anxiety?

There's no evidence it causes separation anxiety. In dogs that are already anxious, sleeping very close may be associated with more separation-related behavior, so consider your dog's temperament.

References

1. Krahn LE, et al. The Effect of Dogs on Human Sleep in the Home Sleep Environment. Mayo Clinic Proceedings, 2017.
2. Mayo Clinic News Network — coverage of the Mayo sleep study (bedroom vs. bed sleep efficiency).
3. Chomel BB, Sun B. Zoonoses in the Bedroom. Emerging Infectious Diseases (CDC), 2011.
4. Sleep Foundation — Sleeping With Pets: Benefits and Risks.
5. Survey study — dogs sleeping indoors and lower frequency of separation-anxiety/aggression-associated behaviors.