Scientists told what kind of sleep is most useful

American scientists from the University of California found out which period of sleep is most beneficial to the body. According to researchers, the last phase of sleep, known as a "short sleep", allows a person to cope with stress.

Specialists conducted a practical experiment to confirm their own theory. The volunteers were immersed in a short sleep, in which people see dreams, and kept in it as long as possible. As a result, it turned out that the respondents were slowing down their brain activity associated with fear.

People who spent more time in a short sleep felt more confident, it was easier for them to cope with post-traumatic emotional disorder and overcome the feeling of tension.

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