The average domestic cat sleeps for around 12 to 16 hours per day. This is because cats are naturally crepuscular, meaning they are most active during the twilight hours of dawn and dusk.
More than half of cats sleep between 12 and 18 hours a day. View Source , and nearly 40% of cats sleep more than 18 hours per day. As they grow older, a majority of cats sleep for more hours each day than they did in their younger years.
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