There are reasons that seriously affect the state of the human immune system. But only one is able to completely break the defense against dangerous infections.
According to Alexander Kalinkin, head of the Sleep Medicine Center at Moscow State University named after Lomonosov, recent studies show that people sleeping less than 5 hours a day increase the risk of contracting dangerous ailments by 250% when compared to those who sleep for eight hours.
At the same time, Kalinkin emphasized that only sleep is such an essential resource for the body, allowing a person to restore strength.
The physician noted that real healthy sleep should not last less than seven hours a day. And it is better if its duration increases.
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Often, many have trouble sleeping, but this happens with stress, uncontrolled use of caffeine and excessive use of lighting at night.