Why don't we fall out of bed during sleep?

 If you close your eyes at night and your eyes open automatically in the morning, you are one of the lucky ones who get a good and restful sleep.

 We know very well that both our body and mind are in motion during sleep.

 We dream, we talk, we laugh, we shout at people.  Sometimes they put on the cloak and sometimes they take it off.  Sometimes they even kick the person sleeping with them.  And some people turn around, rock and swing in bed.

 But whether we're on a 65cm camping bed or a 200cm king-size bed, most of us wake up right where we went to sleep, regardless of how busy the night has been in the Dream Rabbit.  

Then the question arises why we don't fall out of bed while sleeping?

Professor Russell Foster at the University of Oxford told the BBC: "This is surprising because during sleep we are completely disconnected from our surroundings.  The eyes open only if someone shouts 'get up'.

 "Our body keeps collecting information with the help of receptors."

That is, there is a sense that never sleeps.

 He says that it is like a holiday.  It's not so good when we're kids.  That's why some people fall off the bed in childhood.  But it gets better with age.

 So even in sleep we are not completely unaware of our situation.  But it doesn't have an effect when we start walking in our sleep and bump into a wall.

 Does it have anything to do with the sixth sense?  In movies and dramas, it is portrayed as a sense that makes us anxious before something bad happens or puts us in touch with ghosts.

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 How much is fatigue related to our sleep and can a person stay refreshed without sleep?

 Should employees be allowed to nap in the office to catch up on sleep?

 But scientists like Foster say this is not the case.  It's called proprioception in scientific parlance, and scientists have known about it for over a century.

 Some experts in neuroscience did research in this regard in the 19th century, including 'one of the great scientists' Frenchman Claude Bernard, the famous Scottish anatomist Sir Charles Bell (who is considered one of the great experts in neurology).  and include Sir Charles Sherrington.  Sherrington received the Nobel Prize in Medicine in 1932 and it was he who named the sixth sense proprioception.

 More on this later.

 You can experience it yourself.  Close your eyes and place the index finger of your right hand on your left elbow.  It was easy, wasn't it?  How did this happen for you?

 You knew where your finger was going and where your elbow was.

 Moreover, you can tell at any moment how you look standing, sitting or lying down without looking at yourself.