Cat Behavior
How Many Hours Do Cats Sleep a Day? Kittens, Adults and Seniors

Quick answer: Most adult cats sleep around 12–16 hours a day. Kittens can sleep up to 20 hours, and senior cats usually sleep more than younger adults. Cats are crepuscular — most active at dawn and dusk — so much of their sleep happens while you’re awake during the day.
If it feels like your cat is always asleep, you’re not imagining it. Sleep is a huge part of a healthy cat’s day. Here’s what’s normal, and what isn’t.
Cat sleep by age
| Life stage | Typical sleep per day | Notes |
|---|---|---|
| Kittens | Up to about 20 hours | Short bursts of wild play, then deep naps — sleep supports growth |
| Adult cats | About 12–16 hours | Varies with personality, activity and environment |
| Senior cats | Often more than adults | Slower pace, but sudden changes deserve a vet check |
Figures as described by PetMD (licensed veterinary technician Nicole Zittritsch). Individual cats vary.
Why do cats sleep so much?
They’re built for bursts
Cats are predators designed for short, intense effort — stalking, pouncing, chasing — followed by long rest. Even well-fed house cats keep this rhythm.
They’re crepuscular
Cats are naturally most active around dawn and dusk. That’s why your cat may sleep through the afternoon and then start racing around at 6 a.m. or in the evening.
Not all of it is deep sleep
Much cat “sleep” is light dozing. You’ll notice ears that still swivel toward sounds and eyes that open at the rustle of a treat bag.
Boredom and weather
Indoor cats with little to do may sleep more. Many cats also sleep more on cold or rainy days.
Where (and how) cats sleep
- Curled in a ball: conserving warmth, feeling secure.
- Loaf position: resting but alert.
- Belly up or stretched out: deeply relaxed and feeling safe.
- High places and hidden spots: cats feel safest resting where they can see without being seen. See why cats hide.
- On you: warmth and trust — one of the signs your cat loves you.
When is a cat sleeping too much?
The key is change. A cat who has always been sleepy is different from a cat who has suddenly started sleeping much more. PetMD lists conditions such as hyperthyroidism, diabetes, kidney disease, heart disease, liver disease and cancer among the medical issues that can affect sleep and energy.
Contact your veterinarian if your cat is sleeping more than usual and also:
- eating or drinking less — or much more
- losing weight
- hiding more or avoiding the family
- grooming less
- reluctant to jump or move, or seems to be in pain
- vomiting, has diarrhea or litter box changes
- breathing differently
How to help your cat sleep at night (instead of waking you)
- Play in the evening. A wand-toy session that ends with a “catch.”
- Feed after play. Hunt, eat, groom, sleep — the natural sequence.
- Add daytime enrichment. Window perches, puzzle feeders, cardboard boxes. Our list of indoor activities for cats has more.
- Use a timed feeder for an early breakfast.
- Don’t reward 4 a.m. wake-up calls with food or attention.
If night-time activity comes with loud crying, especially in an older cat, read why cats meow so much.
Cats vs. dogs: who sleeps more?
Both are big sleepers. Adult dogs typically sleep about 12–14 hours a day, while adult cats often sleep a little more. See how many hours dogs sleep.
FAQ
Is it normal for my cat to sleep all day?
Sleeping much of the day is normal for many cats, especially if they’re active at dawn, dusk or at night. Watch for changes in appetite, behavior and energy.
Do cats dream?
Cats show twitching paws, whiskers and eye movements during sleep, which many people interpret as dreaming. Avoid waking a cat suddenly from deep sleep.
Why does my cat sleep next to me?
Warmth, security and companionship. It’s generally a sign of trust.
Do indoor cats sleep more than outdoor cats?
They can, particularly if they don’t have much stimulation. Daily play and enrichment help keep indoor cats active and fit.
Related reading
Sources
- PetMD — Why Do Cats Sleep So Much?
- International Cat Care — Making your home cat friendly
- Hill’s Pet Nutrition — How Much Should My Dog Sleep Per Day?


