Owners of cats are familiar with the sleepy lifestyle of their pets. Cats sleep an average of 17 to 18 hours a day, which means that they sleep about 2/3 of their lives. Cats have certain periods of the day when they are most active and certain places where they prefer to sleep. Like humans, domestic felines experience different stages of sleep. It is not entirely understood why cats sleep as much as they do, although certain factors seem to influence their sleep cycles.
Because cats are predators, they do not need to spend long periods of their days grazing for food like herbivores do. Cats can quickly catch their prey, or be fed a can of protein-rich cat food that physically sustains them and frees up their time for sleeping. Cats are known to expend their energy hunting, which means their bodies may require long periods of rest or sleep in order to conserve energy for the next hunt. How long cats sleep varies. Kittens require more sleep than adult cats, while cats that feel safe sleep more than fearful or anxious cats. Cats that are bored will sleep more than cats that socially interact with humans and other pets.
Sleeping and Waking Habits
According to "The Character of Cats" by Stephen Budiansky, cats spend around 85 per cent of a 24-hour day sleeping or resting; the other 15 per cent of their day is spent being active or eating and drinking. Cats are crepuscular animals, which means they are most active around dawn and dusk. After cats nap throughout the day, they may wake up wanting to exert their energy at night or in the early morning when their owners are asleep. Cats, however, do have the ability to readily adapt to their owner's schedules, and many indoor cats can sleep throughout the night. Playing with your cat and letting it burn off excess energy can help it sleep more soundly.
Cats are similar to humans in that they experience two forms of sleep: rapid eye movement sleep and non-rapid eye movement sleep. In "The Cat Behavior Answer Book," author Arden Moore says that cats spend about 30 per cent of their sleep time in REM sleep compared to humans, who spend about 20 per cent of their time in REM sleep. In NREM sleep, cats are in a deep stage of sleep and do not dream. Their chests move quietly up and down, while internally, muscles and bones are regenerating and repairing themselves. Cats dream in REM sleep, although what they dream of is a mystery. Their whiskers or legs may twitch while in REM, and their eyes may move behind their eyelids.
Places to Sleep
Cats like to seek out warm, comfortable places to sleep or nap. They will seek out sofas and beds or warm surfaces, such as the top of the hood of a car. According to "The Cat Behavior Answer Book," about 1/3 of cat owners sleep with their cats. Having your cat sleep in your bed, however, can disrupt your own sleep. Cats that try and take up space on your pillow should be moved to another location or retrained to sleep at the bottom of the bed.
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- "The Cat Behavior Answer Book: Practical Insights and Proven Solutions for Your Feline Questions"; Arden Moore; 2007
- "The Character of Cats: The Origins, Intelligence, Behavior, and Stratagems of Felis Silvestris Catus"; Stephen Budiansky; 2002
- "What is My Cat Thinking?: The Essential Guide to Understanding Pet Behavior"; Gwen Bailey; 2002
- "The Cat Handbook"; Karen Leigh Davis; 2010
- Animal Planet: Cat Sleep