Remember when your dog followed you everywhere?

Into the kitchen. Down the hallway. Even to the bathroom, where apparently you weren't allowed to go alone.

These days, you might find your best friend sleeping through most of the afternoon. Maybe they're slower getting up in the morning or seem perfectly happy spending hours curled up in their favorite spot.

And you've started wondering, Why is my senior dog sleeping so much? Is this normal, or is something wrong?

The good news is that older dogs often sleep more. They tend to slow down as they age. But not every change is just part of getting older. Sometimes extra sleep is simply part of a dog's changing routine. Other times, it can be an indicator of pain, illness, or something else that needs attention.

So how do you know the difference?

A good place to start is with something you already know pretty well: your dog.

Yes. Many senior dogs spend more time sleeping or resting than they did when they were younger.

Think about how your dog's day has changed.

Remember when your dog could spend half the afternoon chasing squirrels around the backyard? These days, they might be just as happy watching them from the porch. They may still enjoy their morning walk, get excited about dinner, and come looking for attention. But afterward, they're ready for a nap.

A few things may help explain why your dog is resting more:

None of these changes automatically means something is wrong. But they don't automatically mean everything is fine, either.

What matters is how your dog is doing overall. Are they comfortable? Interested in what's happening around them? Is your dog still enjoying the things they've always loved?

​Those little details can tell you quite a bit.

You've probably seen articles telling you how many hours a senior dog should sleep every day.

But here's the thing. Dogs don't exactly follow a schedule.

Some have always been champion nappers. Others seem convinced they'll miss something important if they close their eyes for five minutes.

Breed, size, health, activity level, and individual habits all play a part. And there's a difference between a dog who's sound asleep and one who's just stretched out in their favorite spot, keeping an eye on things.

Rather than watching the clock, ask yourself three questions:

1. Is this a change for my dog? Are they sleeping noticeably more than they were a few weeks or months ago?

2. What are they like when they're awake? Do they still get excited about meals, walks, visitors, or their favorite activities?

3. Has anything else changed? Maybe they're eating less, drinking more, having trouble getting around, or waking up during the night.

These questions can tell you more than simply counting how many hours your dog sleeps.

After all, you know your dog better than anyone. And when something changes, you're often the first to notice.

Think about two senior dogs.

First, there's a 13-year-old Labrador who's never met a nap she didn't like. She spends most afternoons snoozing, but you can bet she's up when dinner rolls around. She still enjoys her evening stroll and loves settling in beside her family at night.

Then there's a 10-year-old terrier who's always been full of energy. He's usually the first one at the door when someone mentions a walk. But lately, things have changed. He's sleeping through mealtimes, ignoring his favorite toys, and doesn't seem all that interested in going outside.

Both dogs are sleeping quite a bit. But there's an important difference.

For the Labrador, those afternoon naps are nothing new. For the terrier, something has changed.

And that's what we mean when we talk about your dog's baseline.

It's knowing what's normal for your dog. Their usual sleeping habits, appetite, energy, and those little routines you've come to know so well.

​You don't need to count every nap or keep a detailed record of their day. Just pay attention when the things they've always done start to change.

Here's something easy to overlook for pet parents of senior dogs: there's a difference between a dog who enjoys a few extra naps and one who just doesn't seem to have their usual energy.

Think about your own dog.

They might be sound asleep on the couch, but open the treat jar and suddenly they're wide awake.

Pick up the leash, and they're already heading for the door.

They may enjoy more downtime these days, but they're still interested in the things they love.

Lethargy is different.

A lethargic dog seems unusually tired, sluggish, or uninterested, even when they're awake. And sometimes, the changes aren't quite as obvious as you might expect.

You might notice that your dog:

Now, that doesn't mean your senior dog needs to spring off the couch every time you walk into the room.

Some dogs have always preferred a good nap over a game of fetch.

But if your usually curious, responsive companion suddenly seems withdrawn or unusually tired, don't brush it off as old age. It's worth calling your veterinarian.

On the other hand, it's reassuring when your dog still wakes easily, enjoys meals, drinks normally, moves comfortably, and shows interest in the things they've always loved.

Just remember that gradual changes matter, too. If your dog's energy or interest in everyday life keeps declining, it's time for a conversation with your veterinarian.

And if your dog is unusually difficult to wake or barely responsive, seek emergency veterinary care right away.

For more help recognizing the difference between normal aging and potential health concerns, read Is My Dog Just Getting Old or Is Something Wrong?

Sometimes the changes sneak up on you. Your dog starts taking longer naps, spending a little more time resting, and before you know it, sleeping has become a bigger part of their day.

Other times, the change seems to happen almost overnight.

If your dog suddenly starts sleeping much more than usual, there could be a few reasons worth looking into.

Arthritis and other painful conditions can become more common as dogs get older.

You know those mornings when your knees are aching or your back is giving you trouble? Sometimes the last thing you feel like doing is getting up and moving around.

Well, our dogs aren't so different.

Maybe you've noticed your dog taking a little longer to get up from their favorite spot. Or standing at the bottom of the stairs, looking up as if they're deciding whether the climb is worth the effort.

And here's something you might not realize. Pain can make it harder for dogs to sleep comfortably at night, leaving them tired and less interested in activities the next day.

If any of this sounds familiar, our article on senior dog mobility covers more signs to watch for and ways to help your dog stay comfortable.​

Sometimes, though, sore joints and the usual changes that come with getting older aren't the whole story.

Heart problems, kidney disease, infections, anemia, and other health conditions can leave your dog feeling unusually tired.

And here's the tricky part. Your dog can't exactly tell you what's bothering them. You might notice they're sleeping more, but that alone won't tell you what's causing it.

That's why it's worth calling your veterinarian when your dog starts sleeping noticeably more than usual, especially if you've noticed other changes in their appetite, energy, or everyday habits.

Have you ever called your dog's name, only to find them still snoozing away as if they didn't hear a thing?

Well, maybe they didn't.

As dogs get older, their hearing and vision can begin to fade. Sometimes what looks like extra sleeping is really a dog who's no longer noticing all the little sounds and activities happening around the house.

But there's something else worth knowing about.

Some senior dogs develop a condition called canine cognitive dysfunction, which can affect their memory, behavior, and sleeping habits.

You might notice your dog sleeping through much of the afternoon, only to spend the night pacing, wandering around, or seeming confused about where they are.

And while it's tempting to chalk these changes up to getting older, there may be more going on.

If you're noticing changes in your dog's awareness, behavior, or sleep patterns, it's worth having a conversation with your veterinarian. They can help figure out what's behind those changes and what might help.

Does this sound familiar?

Your dog spends half the afternoon snoozing away without a care in the world. But the minute you're ready for bed, they suddenly seem to have other plans.

Maybe they're wandering around the house, pacing from room to room, asking to go outside, or getting up and down because they just can't seem to get comfortable. And there you are, wondering why they couldn't have done all this during the day.

As frustrating as those sleepless nights can be, there's often a reason behind the change.

Pain or discomfort, more frequent bathroom needs, anxiety, changes in hearing or vision, and cognitive problems can all interfere with a good night's sleep.

So pay attention to what your dog is doing.

Are they pacing? Seeming confused? Whining when nothing obvious is wrong? Waking up around the same time every night?

Those little details can help your veterinarian figure out what might be going on.

Sometimes a more comfortable bed, a predictable evening routine, or some gentle daytime activity can help your dog settle down at night.

But if the nighttime wandering is new or keeps happening, don't simply chalk it up to old age. It's worth having a conversation with your veterinarian.

You don't need to call your veterinarian every time your dog takes an extra nap.

But there are some changes you shouldn't ignore.

Contact your veterinarian promptly if your dog:

If your dog's energy or behavior changes suddenly, don't wait several days to see whether things improve before contacting your veterinarian.

Seek emergency veterinary care if your dog is difficult to wake, collapses, struggles to breathe, has pale or blue gums, or develops severe weakness or disorientation.

And remember, you don't have to figure out what's wrong before calling.

That's what your veterinary team is there for.

Your job is to notice what's different.

Sometimes saying, "She's been sleeping a lot more lately, and she doesn't seem interested in her morning walk anymore," gives your veterinarian a useful place to start.

Keeping a few notes about sleep, appetite, energy, and mobility can help, too.

Our free Senior Dog Daily Wellness Tracker makes that easier. You can find it in our Free Resources library.

If your dog is slowing down and spending more time resting, a few small changes around the house can make their days a whole lot more comfortable.

Remember when your dog could stretch out on the kitchen floor and sleep like it was the most comfortable place in the world?

These days, those older joints might appreciate a little extra support.

A comfortable, supportive bed in a quiet, easy-to-reach spot can make resting easier, especially if stairs or slippery floors have become a challenge.

And pay attention to how your dog gets up afterward. If they're struggling to find their footing, something as simple as a nonslip rug or a more supportive bed might help.

Just because your dog is getting older doesn't mean they need to spend the whole day on the couch.

Gentle activity can help maintain muscle strength, mobility, and overall well-being.

Maybe that means a shorter walk around the neighborhood, a little exploring in the backyard, or a few minutes enjoying a favorite game.

The important thing is to let your dog's comfort set the pace.

​And if arthritis or another health condition is making movement difficult, talk with your veterinarian about what activities are safe and comfortable.

Your dog may not be chasing tennis balls like they used to, but that doesn't mean they've lost their curiosity.

A food puzzle, a few hidden treats, or a little extra time sniffing around the backyard can give them something to look forward to.

And it doesn't have to be anything fancy.

​Sometimes ten minutes spent following interesting smells, followed by a well-earned nap, makes for a pretty good afternoon.

Dogs tend to appreciate knowing what comes next, especially as they get older.

Regular mealtimes, walks, bathroom breaks, and bedtime routines can help make the day feel familiar. They also make it easier for you to notice when something isn't quite right.

And while we're talking about routines, don't forget those regular veterinary wellness visits.

For many senior dogs, a checkup about every six months is recommended, although your veterinarian may suggest a different schedule based on your dog's health.

It's also a good time to mention those little things you've been noticing. Maybe they're taking longer to get up, sleeping more than usual, or just not quite acting like themselves.

​Sometimes those small observations can help your veterinarian catch a problem before it becomes a bigger one.

There may come a time when your dog would rather sleep beside you than chase a ball across the backyard.

The walks get shorter. The greetings become quieter. And those afternoon naps seem to last longer than ever.

It's hard not to think about the younger dog who once seemed to have endless energy. But growing older doesn't mean your dog has stopped enjoying life.

Maybe the things that make them happy have simply changed.

A comfortable bed. A slow walk around the block. A favorite treat. Sitting beside you while you have your morning coffee.

Those moments still count.

Of course, if your dog is resting more because they're uncomfortable or don't feel well, that's something to address with your veterinarian. But if they're comfortable, engaged, and still enjoying their favorite parts of the day, a little more sleep doesn't have to be a bad thing.

You don't need to make your senior dog act young again. You just want to help them feel their best at the age they are now.

And sometimes, a really good day is nothing more than a peaceful afternoon spent together.

Let Good Days Be Good Days.

Is it normal for a 12-year-old dog to sleep most of the day?

It certainly can be. Some older dogs have always loved a good nap, while others gradually spend more time resting as they age. What matters most is whether this is normal for your dog. Are they still interested in meals, walks, and the little things they've always enjoyed? A noticeable change in their usual routine is worth discussing with your veterinarian.

Should I wake my senior dog during the day?

Usually, there's no need to interrupt a good nap just because your dog has been sleeping for a while. Let them enjoy their rest. What's important is that they wake easily and respond normally when you approach them. If your dog is unusually difficult to wake or barely responsive, seek emergency veterinary care.

Can arthritis make my senior dog sleep more?

Absolutely. When your dog's joints are sore, getting up and moving around may not feel very appealing. They might spend more time resting, and discomfort can even keep them awake at night. If you're noticing stiffness, limping, or trouble getting up, talk with your veterinarian about ways to help them feel more comfortable.

Why is my senior dog sleeping more and eating less?

That's a combination you don't want to brush off as old age. Maybe your dog is sleeping through meals or suddenly turning down food they normally love. Changes in sleep and appetite can have several possible medical causes, so it's best to contact your veterinarian promptly rather than waiting to see if things improve.

Do senior dogs sleep more when they're nearing the end of life?

Some dogs with advanced illness do sleep more, but extra sleeping doesn't automatically mean your dog is nearing the end of life. Look at the bigger picture. Are they comfortable? Eating and drinking? Able to move around? Still enjoying time with you? Your veterinarian can help you understand what these changes might mean and how to keep your dog as comfortable as possible.

American Animal Hospital Association (AAHA). 2023 AAHA Senior Care Guidelines for Dogs and Cats. Veterinary guidelines addressing senior pet health, age-related changes, preventive care, and the importance of recognizing changes in behavior and daily routines. 
Read the Source: 2023 AAHA Senior Care Guidelines for Dogs and Cats

Mondino A, et al. Sleep and Cognition in Aging Dogs: A Polysomnographic Study. Frontiers in Veterinary Science. 2023. Research examining sleep patterns and cognitive function in aging dogs, supporting the discussion of sleep changes and their relationship to cognitive health.
Read the Source: Sleep and Cognition in Aging Dogs: A Polysomnographic Study. Frontiers in Veterinary Science.

​Merck Veterinary Manual. Behavior Problems of Dogs — Cognitive Dysfunction Syndrome. Veterinary reference information describing canine cognitive dysfunction, including changes in behavior, awareness, and sleep-wake patterns in older dogs.
Read the Source: Behavior Problems of Dogs

​VCA Animal Hospitals. Degenerative Joint Disease in Dogs. Veterinary educational resource explaining degenerative joint disease, associated discomfort, and mobility changes that may affect an older dog's activity and resting habits.
Read the Source: Degenerative Joint Disease in Dogs

Pet Parents Wellness provides educational information to help dog parents better understand and support their dogs. The information in this article is not intended to replace professional veterinary advice, diagnosis, or treatment.

Every dog is different, and changes in mobility, behavior, or physical comfort should be discussed with your veterinarian. If your dog experiences sudden weakness, severe pain, difficulty standing or walking, or other concerning symptoms, seek veterinary care promptly.

Always consult your veterinarian before making changes to your dog's medications, exercise routine, or mobility care.