Do cats ever fully sleep?
Isabella Bartlett
Updated on May 20, 2026
Cats sleep an average of 15 hours per day. However, they can sleep as much as 20 hours within a 24-hour period. In general, cats do the majority of their sleeping during the day, since they are most active overnight. If you've wondered why that is, the answer lies in their physiology.
Do cats go into a deep sleep?
Cats do sleep deeply sometimes. About 25% of their sleeping time is spent in very deep sleep. Some older cats may sleep deeply as much as 40% of the time.Do cats sleep or just rest?
Like many predators, they conserve energy by resting or sleeping, saving up for the bursts of time when they will do the most hunting.How much deep sleep do cats need?
Domestic cats may obtain three to eight hours of REM sleep per day. Researchers believe eye movements during REM sleep may represent the sleeper taking in dream imagery. In keeping with this theory, older studies have found evidence that cats may dream.Are cats actually sleeping?
“Cats may sleep all day if they are bored, or depressed,” Delgado says. Senior cats also typically sleep more than younger cats. But it's also important to question whether cats are really sleeping as much as humans think.What Your Cat's Sleeping Position Reveals About Their Health and Personality
Why do cats sit on your lap?
In addition to trusting you and wanting your attention, a cat sitting on your lap usually means that they like you! Lots of cats choose a favorite human. Cats have many ways of showing their affection, like purring, nudging you, and sitting in your lap. It's high praise coming from a cat.Do cats like sleeping with humans?
CompanionshipFinally, your cat may like sleeping with you simply because they like and trust you. Your cats know you take good care of them and they consider you to be a good sleeping companion! Contrary to stereotypes, cats enjoy companionship (on their terms).
Why do cats like to sleep with their owners?
Cats are very vulnerable when they are sleeping and like to find a place, or person, that they trust to sleep on. When they sleep with their owner they are confirming to you that they trust you. While your cat does trust you they also want to keep warm and they love the heat from their humans.Can cats sleep with the lights on?
This sensitivity to light is not limited to just humans but also cats. It depends on the location of the pineal gland in different animals, as well as the degree of reaction in production of melatonin, but still there is a degree. Lights off is good but also try to make the period of time for sleeping habitual.Do cats sleep talk?
We asked a panel of cat-loving experts and they agree—cats dream when sleeping. Like other mammals similar in brain structure and activity, your floof goes deep into REM sleep cycles. It's during these short cycles that your cat might twitch and chatter their way through kitty dreamland.What Do cats Think about all day?
During the day, cats recall memories, consider them, and adjust future behavior. Cats don't spend their time thinking about their day or how they feel. Also, cats don't have idle thoughts as they lack a default mode network, and they can't think in a language as they lack Wernicke-like areas.Why does my cat stare at me?
Your Cat Stares at You to Show AffectionCats can use staring as a nonverbal way of communicating. Even though a long, unblinking stare may not be the best way for humans to show affection, when your fur baby does this, it may mean they're showing love to their favourite owner.
What do cats do at night?
Night time activity is quite a common issue for some cat owners and can include cats that nibble or pounce on the owner's ears or toes in bed, walk across the sleeping owners, night time vocalisation, or highly energetic play sessions across the furniture and/or owners during the night or early morning.Does a cat trust you if it sleeps next to you?
Sleeping near youIf your kitty likes to sleep near you - or even on you - this is an indication that they have total trust in you.