Scientists have calculated how much you need to sleep to live long

Lack of sleep, and excessive sleep is harmful to the body.

Вчені вирахували, скільки потрібно спати, щоб жити довго

Sleep affects blood pressure of a person, his glucose metabolism, condition of cardiovascular system. Lack of sleep or, conversely, excessive sleep can provoke inflammation and strokes, informs Rus.Media.

Korean scientists conducted a number of studies, which was attended by nearly 150 thousand people from 40 to 69 years.

The results showed that in day the person needs to sleep 8-9 hours straight. Excessive sleep, in turn, entails not only a headache but also obesity, increased blood sugar and cholesterol levels, arterial hypertension.

If you sleep at least 7 hours per day, increase the risk of cancer, as well as increased levels of copper in the blood.