Cat groans and moans in sleep – what to do next

Just like some of us, cats can also make some weird and interesting sounds while they sleep. Here are a few common reasons why a cat may groan and moan in its sleep.

Cat is just snoring

It could be perfectly normal as the groan and moan is just a cat’s way of snoring in its sleep. It might, however, be a concern if the snoring habit only appeared recently. This could potentially be a symptom of an underlying health issue. For example, cats could moan and groan more often while sleeping if they gain excessive weight.


The cat might need to be checked by the vet if the groans reflect a sudden change in behavior. Increased vocalization could be a result of an underlying illness such as hyperthyroidism. Look out for other changes in behaviors and symptoms that may indicate your cat has fallen sick.


Cats also experience REM sleep so the groaning noise could just be a reflection of something exciting that’s going on in the cat’s dream. Groaning and moaning isn’t usually something to be too concerned about unless the cat is displaying concerning symptoms. You don’t have to wake your cat up unless it’s having some sort of difficulty while sleeping, such as having trouble breathing.

Disclaimer: The content is not intended to be a substitute for professional veterinarian advice, diagnosis, or treatment. Always seek the advice of a veterinarian when in doubt.


  • Randy Baer | 03/01/2024

    Thanks. Never noticed this until recently, but he’s healthy in all other ways: excellent appetite, active when he wants to be, very affectionate.
    I remember the one time he was sick a few years ago. He moped under the dining table for a week, didn’t want to eat, and, believe it or not, developed laryngitis… couldn’t communicate vocally. None of that is a problem now… just the moaning. He sleeps normally.

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