Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Why Do Cats Sleep So Much? 6 Vet-Approved Reasons

cat sleeping on the patio

Chances are that while you’re reading this article, it’s probably quite likely that your cat(s) are sleeping: on your lap, in the sink, next to the cozy cat bed that you purchased specifically for your kitty. Cats spend an excessive amount of time sleeping. In fact, they spend an average of 15 (and some up to 20) hours every day asleep.

Why on earth does any critter need so much sleep time? Well, if you’re wondering why or worried that your cat seems to be sleeping too much, please read on, and we’ll address the reasons and any concerns you may have.

divider cat faces oct 2024

Top 6 Reasons Cats Sleep So Much:

1. Building Up Energy

Most cats – wild and domestic, big and small – are most active at night. They sleep during the day and then hunt (or get into mischief) at night. Hunting actually takes a great deal of energy – lying in wait, stalking, running, and pouncing.

Obviously, the average domestic cat doesn’t hunt prey quite the same way as their lion cousins. However, they do enjoy a good hunt, whether it’s an exciting crinkle ball or your feet (interesting fact: house cats and lions share 95.6% of the same DNA). However, the same hunting instincts lie in your cat and, therefore, they have the same need to sleep the day away to conserve energy so your cat can entertain herself while you try to sleep.

cat sleeping on its condo
Image Credit by: Roy Buri, Pixabay

2. Cats Are Crepuscular

What on earth does crepuscular mean? While cats are quite active during the night, they are most active during the twilight hours (which is both at dawn and dusk). These times make it safer for the cat to avoid predators but can still hunt while it’s still light enough. Several other mammals are categorized as crepuscular such as coyotes, porcupines, and many songbirds.

Therefore, you might find your cat sleeping most of the day but becoming much more active around dinner time, and chances are, an indoor cat will sleep more than a cat that goes outside.

Our Favorite Cat Bed

Hepper Cat Nest Bed
  • HAPPY COZY CATS - Your kitty will bask in luxurious sherpa-lined comfort while feeling warm, safe,...
  • MODERN DESIGN - Contemporary styling with upholstered fabric construction; just like your human...
  • WARM FLEECE LINER - Self warming, thick sherpa fleece with microfiber trim.

Cats sleep away the majority of the day, so finding a bed that's supportive, warm, and secure is key. Most cats find the modern design of the Hepper Nest Bed irresistible, making it a practical option if you're looking for a rest spot your cat will use consistently. It's supportive and caters to felines of all ages, sizes, and ailments. The portability means that your cat can nap wherever you go — your desk, couch, side table, or even your bed. Learn more about the heavenly Nest here.

At Catster, we’ve admired Hepper for many years and decided to take a controlling ownership interest so that we could benefit from the outstanding designs of this cool cat company!


3. Whether or Not to Sleep?

The weather can impact how much your cat sleeps as well. On cold days or virtually any kind of day that makes it harder for you to get out of bed, it will also affect your cat and how much they will enjoy extra sleep on a dreary day. So, on those dark rainy days when you wish you could sleep a little longer, you might find your cat sleeping a little more than usual.

sleepy cat
Image Credit: Josephchae, Pixabay

4. How Old Is Your Cat?

The age of your cat will also determine how much sleep she gets.

  • Kittens will generally have small energetic bursts of play between meals but will sleep for most of the day.
  • “Cattens” (basically your average teen cat) will intensely play between random patterns of sleep.
  • Adults start to settle into a more regular sleeping routine that can range from 12 to 18 hours every day.
  • Senior cats tend to sleep more than when they were younger as they have less energy and are usually less mobile.1

5. Cat Naps

Sometimes your cat isn’t necessarily sleeping but is just dozing lightly. Cat naps typically occur when they’re lying in a position from which they can quickly leap into action at the blink of an eye. You’ll also notice your cat’s ears rotating as they continue to pick up noises around them, and their eyes might be slightly open.

This light sleep occurs approximately 75% of the time, and the rest of their time is spent in a deep sleep. Usually, your cat will curl up and put their tail or front paws over their face while they sleep, and you might notice them twitching their tail and legs. Yes, they’re dreaming. It’s thought that cats dream about hunting and chasing or escaping from a predator.

cat sleeping on a tree trunk
Image Credit: Crepessuzette, Pixabay

6. Keeping Cool

While cats do enjoy being warm or even hot (compared to our own standards), many cats will sleep the hottest part of the day away if it’s exceptionally scorching. Because sleeping conserves energy, it can also help to regulate your cat’s body temperature.

divider cat faces oct 2024

When You Should Be Concerned

There are no set or specific rules on how much sleep your cat should have; however, the most alarming sign would be if you notice a sudden change in your cat’s sleeping habits. Generally speaking, if your cat appears to be sleeping more than 20 hours a day and most of it is deep, you should take them to the vet. As a cat owner, you are the expert on how your cat is behaving and whether or not there’s a problem.

If you observe your cat sleeping a lot more than what is normal for them, it could indicate that your cat is ill or in pain. On the other hand, if your cat is sleeping less than usual, they could be having issues with hyperthyroidism or other medical conditions. You should also think about a visit to your vet if your cat seems to be sleeping at times when they are usually awake and active (those twilight hours). Other conditions that could impact their sleep are depression, anxiety, blindness, lack of nutrients, and pain.

Some cats might sleep more than usual because they are bored. If your cat just seems to eat and sleep and nothing else seems to be wrong with them, they could be bored, so you need to spend time playing and interacting with them. You should be able to tell the difference between a bored or sick cat so take them to the vet if you suspect the latter.

If your cat isn’t sick and you’ve attempted to relieve her boredom to no avail, then you might need to think about finding an animal behaviorist to work with you and your cat and talk to your vet about your options.

divider cat faces oct 2024

Conclusion

Almost nothing is cuter and more comforting than watching a sleeping cat. We certainly have enough opportunities to watch our cats napping since they spend so much of their time snoozing (some cats even snore). Since your kitty is spending so much time recharging their batteries, you can expect them to fit in a ton of activity when they’re awake. Why else do they seem to enjoy waking you up with the zoomies?

You Might Also Be Interested in: 


Featured Image Credit: hapibu, Pixabay

How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.

Why Do Cats Stay Up All Night? Vet-Verified Behavior

Cats follow a different sleep cycle than humans and may keep you up at night with their activities. Cats are naturally more active...

tabby cat at night

Why Is My Kitten So Aggressive? 6 Likely Reasons & Vet-Approved Tips

It’s not uncommon for new cat owners to be surprised by their kitten’s aggressive behavior. Kittens are wild creatures still learning about the...

two kittens playing

Do Cats Have an Evening Routine? Vet Approved Facts & FAQ

Cats are creatures of habit, and they love routine. That’s why they know when dinnertime is approaching and will let you know if...

purebred snowshoe cat lies on a bed cover with a fur blanket

Should I Leave a Light on For My Cat? Vet-Approved Care Facts

Cat owners want to do everything they can to ensure their cats are comfortable, safe, and happy. Knowing that cats get up and...

cat hiding in the dark

More related

persian cat lying on couch

What Do Cats Do All Day? 7 Usual Things

Pet cameras may be all the rage these days, but unless you have one in every room, you won’t constantly have eyes on...

cat with spotlight beside a book on the table

Do Cats Like the Dark? Vet-Verified Vision Facts (With Infograph)

All cat parents know that their adorable feline turns into a formidable predator when night comes. Frantic runs all over the house at...

sad, bored or sick cat

My Cat Is Bored but Won’t Play, What’s Wrong? 6 Common Reasons

Most cats play throughout their life, though they are most playful in their kitten years.Under human care, cats don’t need to hunt or...

grey tabby cat sleeping on warm radiator

Why Is My Cat Suddenly Sleeping in Odd Places: 7 Vet-Verified Reasons

Did you know cats can sleep between 12 and 18 hours daily? It’s true, and studies suggest that almost 40% of cats1 will...

Keep reading

Can Cat Pee Make You Sick? Vet-Verified Facts & Safety Tips

We all know that cat pee smells awful, but did you know that cat pee can be harmful to you and can cause allergic reactions in people who are allergic to cats? But just how dangerous is cat pee, can...

cat-peeing-on-the-bed

Can Cats Eat Mint Ice Cream? Vet-Reviewed Health Facts

It’s funny that cats are often portrayed lapping at saucers of cream or a dish of milk, because the fact is, cats shouldn’t have dairy. While kittens can handle milk, most cats begin to become lactose intolerant after they reach...

Can Cats Eat Mint Ice Cream

Why Do Cats Like Cardboard? 5 Interesting Reasons

It’s not a secret that cats have a special affinity for cardboard. Most cat owners have found themselves baffled by the fact that they can spend hundreds of dollars on various cat toys and other products to keep their precious...

cat in a cardboard box

Why Does My Cat Go into Another Room and Meow? 9 Vet-Reviewed Reasons

Cats meow as a means of communication with others, with us, and to express their internal states, which can make us think that they’re trying to let us know something when they leave the room to meow. The question is,...

cat meowing

10 Best Cat Hair Remover Tools in 2025 – Reviews & Top Picks

As much as we love our cats, the same cannot be said about the tiny sticky hairs always present on clothes, furniture, and bedding. But it is the price we must pay for the comfort, joy, and companionship these little...

woman leaning jeans with cat hair remover

How Much Do Male Cats Purr? Facts & FAQ

A cat’s purr is an incredibly comforting sound, to both us and them, but how much a cat purrs depends on their personality. Male or female, there’s no quota for how much a cat should or should not purr—some cats...

adorable cat get pampered by owner

How to Find a Cat-Friendly Vet: 5 Vet-Reviewed Steps

If you’ve just moved or recently adopted a cat, and you’re looking for a vet to take them to for their checkups and medical emergencies, there are some surefire ways to determine if a vet is good for you and...

vet and assistant holding cats

Do Cats Get Mad When You Leave? Feline Feelings Explained

If you’ve come back from vacation and your cat is acting a bit strangely, you may be wondering if cats get upset when their human companions are gone for a few days. Cats become attached to their favorite people, not...

an old cat at the front door