Why do cats sleep at the feet?

Despite the fact they become pets a long time ago, they still have the instinct of survival in extreme conditions. Of course the kittens born at home hardly adapt to the street and homishness is native and familiar for them. Cat's life expectance is 12-15 years. Although there are exceptions and even records that cats lived 39 years. If we change it into the human age it is 170 years! But we are talking only about domestic cats, and yard cats live at least 10 years. But, let's return to our main topic. For what reasons do cats sleep at our feet? The first version is our pets sleep in bed with us from their love to us. Another version says our cats sleep at the feet because we don't give the possibility to sleep near us. The third version says that a person receives energy from space and gets it from upperparts. Cats take the negatibe energy. Don't forget these creatures are sly and pretty smart. Cat understands and knows how its owner sleeps and looks for a comfortable place. There is also a version that the cat is sensitive to human pain. Is it true or not, but such a version exists. Science has not admitted this fact. But many owners would agree with this opinion. They might noticed something unusual in their pets' behavior. How do our pets sleep? Scientists proved our pets sleep about 16 hours a day. Other time - personal affairs. Why do cats sleep so much? The answer is the constant wakefulness causes irritability and nervous behavior, so cats recover their body from overwork. For information, cat's brain is always active during sleep.. You may notice it, if you watch your animal during sleep: light twitching of whiskers, ears and paws will show this fact. After sleep cat certainly yawns and stretches, thereby stretching its body. Where do cats sleep? Everywhere. Cats change places to sleep during all their lives. But there are their favorite places where they sleep and many owners probably noticed that. They are always looking for a warm place. Well, perhaps the best place to sleep is to sleep with the owner because it's warm, safe and cozy there. Some people don't like their pets to sleep with them and try to arrange them some other place to sleep. Pets may not like such places. In any case, you know what your pet likes and you're able to cope with its preferences.
Why do cats sleep at the feet?