Why Does My Dog Sleep Under the Covers?

Many pet owners have had the sensation of finding a strange, fuzzy lump breathing quietly under their covers at the end of a long day. You are not the only one who has puzzled over why your dog sleeps beneath the covers. When the lights go off, a lot of pet owners say their dogs turn into real "undercover" agents. This burrowing behavior may appear strange, yet it comes from primordial impulses and physical needs.

6 Common Reasons Why Dogs Burrow Under Blankets

The first step to stopping this nighttime habit is figuring out the different reasons why your dog wants to hide in your bedding.

The Denning Instinct

Dogs trace their roots back to wild canines, which used dens as survival shelters. Den refers to a small, closed area that serves as a shelter against predators as well as bad weather. Even today, this urge to build a den still lingers in dogs. To your pet, a heavy comforter mimics the safety of a subterranean burrow, offering a sense of total seclusion.

Seeking Physical Warmth

Many dogs lack the thick double coats required to stay warm during chilly nights. When the household temperature drops, they seek external heat sources. Burrowing allows them to trap their own body heat within the fabric. To provide this warmth without the bulk of a duvet, many owners rely on dog pajamas to keep their pets cozy all night long.

The Power of Your Scent

Your bedding is a concentrated source of your unique aroma. For a pack-oriented animal, sleeping in your scent provides immense emotional comfort. They feel closer to their "alpha" even while you are asleep, which reinforces the social bond between you. However, if this need for closeness seems obsessive, it may be time to evaluate signs of emotional insecurity in your dog.

Sensory Deprivation

Some dogs are easily overstimulated by light or household noises. Burrowing creates a dark, quiet environment that acts like a sensory deprivation tank. It helps them shut out the world and fall into a deeper, more restorative sleep cycle.

Seeking Constant Contact

Dogs are social sleepers. In a litter, puppies huddle together for safety and warmth. By crawling under the covers next to you, they are replicating that "puppy pile" experience. This physical contact releases oxytocin, which is a hormone that promotes relaxation and trust.

Playfulness and Curiosity

Sometimes, the conduct begins out as a game. The sound of sheets rustling and the difficulty of moving through layers of fabric can be good for their mind. They are likely to do it again for enjoyment if they get praise or attention for doing it once.

Can Crawling Under the Covers Be a Sign of Anxiety in Dogs?

Yes, crawling under the covers can be a common behavior of anxious dogs looking for a place to hide. While many pets burrow simply because they are cozy, others use the blankets as a shield when they feel overwhelmed by their environment.

For example, fireworks or thunderstorms can cause a great deal of stress. During these high-stress events, the compression and darkness of the covers help a dog feel shielded from the loud noises and bright flashes. Similarly, a dog experiencing separation distress might burrow into your unmade bed because your concentrated scent provides a sense of security while you are away. Understanding the underlying causes of separation anxiety can help pet owners develop more effective strategies to comfort their dogs during alone time.

If you notice your dog only burrows when the vacuum is running or when new guests arrive, it is likely a coping mechanism. In these cases, the behavior is less about sleep and more about finding a sanctuary where they feel "invisible" and safe.

Is It Safe for Dogs to Breathe Under Blankets?

Generally, it is safe for most healthy adult dogs to sleep under covers because they will instinctively move if the air becomes too stale or they get too hot. However, this is not a universal rule, and safety depends largely on the dog's size, health, and the type of bedding used.

The table above outlines general risks based on fabric weight and breathability. While most dogs have an "aversive reflex" that wakes them up when oxygen levels dip, certain factors can impair this natural safety switch.

Specific risks exist for "brachycephalic" breeds, which refers to dogs with shortened snouts like Pugs or Bulldogs. These dogs already struggle with efficient breathing and may overheat much faster than others. For these sensitive breeds, skipping the blankets and opting for breathable dog pajamas is a much safer way to ensure they stay warm without risking respiratory distress.

Dog Breeds That Naturally Love Burrowing Under Covers

Certain breeds are genetically predisposed to this behavior due to their historical roles as hunters or their physical build.

Small hounds and terriers are the most frequent burrowers. For example, the Dachshund was bred to hunt badgers in underground tunnels, so they find great comfort in narrow spaces. Similarly, Terriers spent centuries flushing out rodents from holes, making your bed sheets a natural playground for them.

Short-haired breeds like Vizslas, Greyhounds, and Whippets also lean into this habit. Because they have very little body fat and thin coats, they struggle to maintain their core temperature. Because these breeds are so sensitive to the cold, they are the primary candidates for a high-quality wardrobe of warm dog clothes.

Should You Stop Your Dog From Sleeping Under Covers?

No, you generally do not need to stop your dog from sleeping under the covers unless they belong to a high-risk category or show signs of aggression while hidden. For most pets, it is a healthy way to bond and stay warm.

However, if you are concerned about safety or hygiene, you can easily transition them to their own space. Providing a dedicated "burrow bed" or using dog pajamas can satisfy their instinct without them taking over your spot. Soft, flexible, warm dog clothes provide a consistent layer of warmth that follows the dog even when they move, effectively acting as a portable blanket.

Secure Your Dog's Coziest Sleep Ever

Every dog deserves to feel comfortable and warm, whether they're following ancestral denning instincts or simply escaping the cold. Start by providing lightweight, breathable blankets like cotton or thin fleece that satisfy their burrowing needs while allowing easy movement and airflow. For an even better solution, warm dog pajamas offer consistent warmth without the risks of heavy bedding. They're ideal for cold-sensitive breeds and work perfectly for both indoor comfort and outdoor activities.

FAQs

Q1. Why Does My Dog Sleep Under The Covers Suddenly?

Your dog may be experiencing new stress or feeling colder than normal if their sleeping patterns suddenly shift. Look for drafts or changes in the house if you're wondering why your dog suddenly starts sleeping beneath the covers. A swift trip to the vet is a good option if the behavior is accompanied by lethargy.

Q2. Why Does My Dog Only Burrow Under Covers at Night?

Burrowing at night is frequently associated with natural sleep cycles and decreasing temperatures. After nightfall, dogs are more drawn to the safety of covered areas because they feel more exposed when they sleep. Additionally, when they can't see you closely, your aroma on bedding is most potent at night, giving them additional comfort.

Q3. Can Puppies Sleep Under Blankets Without Supervision?

If a puppy is younger than six months old, they should be closely watched if it sleeps under blankets. Their smaller size and developing temperature regulation systems put them at higher risk for overheating or becoming trapped. Check on puppies often, especially during their first few months at home, and use lightweight blankets.

Q4. Do Dogs Need Warm Dog Clothes if They Sleep Under Covers?

The dogs that often dig into blankets at home won’t necessarily require dog pajamas. Warm clothing for dogs is ideal for outdoor activities, especially if you’re going to a cold place. Breeds that have short hair will appreciate clothing solutions that come in layers for ease of adjustments depending on the change in temperatures.