How many hours of sleep are healthy?



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How many hours should you sleep? Sleeping is healthy, but the right time is important. A recent study sees a connection between sleep duration and the risk of having a heart attack.

(08/01/2010) Long-term, too short sleep sustainably damages health. Because if people never sleep late, they damage the cardiovascular system. Seven hours of sleep a day is said to make the most sense, at least that's what a US study at the University of West Virginia claims.

Those who sleep too little sustainably damage their health. This finding is not new, but it was not previously known that sleeping too long could have a negative impact on the organism. A study by scientists from the University of West Virginia found that if you slept less than five hours a day, the risk of heart attack or stroke increased more than double. If you sleep more than nine hours, the risk of cardiovascular diseases increases on average by one and a half times. Including afternoon nap. An average of seven hours of sleep is the healthiest.

The study was published in the medical journal "Sleep". The study examined sleep behavior in 2005 of around 30,000 adult people. The reasons why the heart attack and stroke risk increases on average with too much or too little sleep can currently only be speculated. Further studies are required for this. However, researchers suspect that insufficient sleep can lead to impaired glucose tolerance and high blood pressure. This can lead to narrowing and the arteries due to deposits and plaques.

The body regenerates itself when sleeping. In the process, superfluous nerve connections are broken down again to consolidate new synapses. The fresh information is transferred from the clipboard to long-term memory. Sleep is used to process the day's experiences. During sleep, breathing and pulse are slowed down and blood pressure drops significantly. Body temperature drops a few tenths of a degree. Organs in the body relax and regenerate. So if you sleep enough, you take care of your health and remain efficient. (sb)

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