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Why can not sleep more than 8 hours

Full sleep has a positive effect on the health and psycho-emotional state of a person. But the results of recent scientific studies show that too long a sleep can provoke the development of serious diseases or indicate the presence of hidden pathological processes in the body.

In addition, scientists have shown that mortality among people who sleep daily for more than 9 hours is much higher than the rest.

Why sleep a lot is bad for health
Based on the data obtained as a result of years of research, scientists around the world confirm: with constant pouring, sleep phases are disturbed and wagging at the general state of health. During the slow phase, the body’s physical resources are restored, REM sleep activates brain processes and supports mental health.

If a person sleeps more than 10 hours a day, the phases of “fast sleep” become much longer, as a result, the brain is constantly under stress and the body cannot rest properly. From this you can make a definite conclusion – a lot of sleep is harmful for the brain!

For 13 years, American scientists conducted scientific experiments in which thousands of people of different age groups participated. They were divided into three groups: in the first there were participants who slept 6 hours a day, in the second – from 6 to 8 hours, in the third – more than 9 hours. From the results it was clear that in the third group the incidence and mortality was much higher than that of other research participants. Reports about it «MedPage today».

Women who like to sleep prone to heart disease
These findings were confirmed by the famous psychiatrist Daniel Kripke, who for 6 years conducted similar tests involving more than a million volunteers. So lovers long sleep should think about your health.

G. Argunovich, a somnologist, stresses that permanent violations of sleep patterns are the most dangerous: the habit of sleeping on weekends, intermittent sleep, and the desire to sleep for good. Now in detail about what diseases can provoke a long sleep.

Duration of sleep affects the heart
As a result of large-scale studies involving 100 thousand people, scientists found that increased sleep duration by 40% increases the risk of heart disease. At the same time, women who constantly violate the sleep pattern are one and a half times more likely than men to suffer from pathologies of the heart and blood vessels.

In addition, in women who regularly slept more than 9 hours a day, the susceptibility to the development of coronary disease is 38% higher. Detailed report on the study in the Journal of Clinical Endocrinology & Metabolism.

Long naps – a precursor to diabetes
To find out the effect of the duration of sleep on the development of diabetes mellitus, studies were conducted with the participation of 9 thousand people. It turned out that people with increased sleep duration diabetes is detected 3 times more often than those who get enough sleep and lead a healthy lifestyle.

People who like to sleep more often have diabetes.
But an increased risk persists in people who sleep less than 6 hours a day, they have the disease is detected 2 times more often. It should be noted that men are more prone to the rapid development of this pathology. The results were published in the journal Diabetes Care.

Excessive sleep leads to Alzheimer’s disease
Doctors at the University Hospital in Madrid for three years monitored the health of people aged 65 years and older, while conducting special tests that allow early diagnosis of Alzheimer’s disease.

The results show that those who slept more than 9 hours a day, senile dementia develops 2 times more often.

Also, experts confirm that prolonged daytime sleep and Alzheimer’s disease are interrelated, for those who like to sleep during the day, pathology develops much more often. Reports about it «MedPage today».

Chronic stress or depression
Often the cause of the tendency to prolonged sleep becomes depression. During sleep, a person detaches himself from his inner experiences, but the problem remains unresolved and worsens over time.

Therefore, it is necessary to find another way to fight depression, otherwise it will join other disorders. Doctors confirm that among patients prone to long sleep, 15% are in a state of chronic depression.

Excessive sleep causes headache.
Prolonged sleep worsens the blood circulation of the brain, negatively affecting the functional activity of the neurons, which leads to the occurrence of headaches. Moreover, in women the risk of chronic migraine is 30% higher than in men.

Long sleep provokes headache
Chronic headaches are almost incurable and cause tremendous suffering to sick people. Therefore, going, once again take a nap, remember that a lot of sleep is harmful.

Long sleep provokes obesity
After a hearty lunch, it is supposed to sleep – this statement was until recently considered true.

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