Lazy cats leave a deep impression on people. We often play with cats for a while and watch them fall asleep. It is normal for cats and dogs to sleep. Kittens sleep. More, some parents should not think that it is abnormal for cats to sleep too much. The editor will introduce to you how long it is normal for cats to sleep a day. Compare your own cats to understand whether it is normal for cats to sleep so much.

 Whether wild cats or domestic cats, a surprisingly high proportion of their time is spent sleeping. Their special anatomy and physiological structure shows that this "machine" can exert short-term bursts of power, because when predators hunt, they need to exert their highest efficiency in a short time and short distance, rather than long-lasting endurance. Therefore, cats are very happy to relax. , relaxed and comfortable. Preferring to stay in a warm spot on a windowsill or on a favorite seat cushion is an important feature of a cat's lifestyle. Even though most of a cat's sleep lasts only a few minutes at a time, it sleeps an average of 16 hours a day (it's really a cat that snoozes all the time).

 Through electroencephalography studies on cats' brains, it was found that cats have two states of sleep: deep sleep and non-deep sleep (easy to wake up). You sleep soundly 30% of the time and wake up easily 70% of the time. The two states change alternately. When a cat is sleeping soundly, there are signs of dreaming. You can also see it from the outside of the body, such as: paws waving; whiskers twitching; ears flapping slightly; and sometimes making sounds.

 Whether cats are sleeping or awake, they are constantly receiving information from environmental stimuli and reacting accordingly. During scientific experiments, cats are placed in a non-stimulating environment and their brain activity is recorded using electroencephalography. Without stimulation, the brain gradually stops working and is at the lowest level required to maintain body functions, with no sign of spontaneous thinking or generation of ideas. A cat, unlike a human under the same conditions, does not spend its time composing poetry or reminiscing about pleasant memories.