How much should each person sleep?

How much should each person sleep?

After much research and controversy between scientists, it became obvious that people who sleep 6.5–7.5 hours can be considered the healthiest. These people have the lowest levels of cardiovascular disease and mortality. In contrast, for those who sleep less than 4.5 hours a day, life expectancy is reduced by about 1.6 times. But, as a result of their research, scientists found an interesting fact that it is even more dangerous to sleep regularly for more than 9.5 hours - such a long sleep reduces life by 1.7-1.9 times.

Scientists have revealed the pattern, but to explain why everything is happening this way, they are not yet resolved. If everything is more or less clear with regard to too short sleep - the body ages faster from inadequate rest, then here are the reasons for the relatively high mortality rate among sleep amateurs are still a mystery. It is possible that too many sleep those who are not all right with health and a long sleep is not a cause, but a consequence.

At the same time, doctors clarify that today they cannot give a universal recommendation on the duration of sleep. It is only about the bedtime required for most people. Each person has his own optimal sleep duration, which depends on the lifestyle, occupation, health status and climate of the country in which he lives.

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