In Minnesota, a group of researchers said that daytime sleep can be dangerous to human health. For a long time scientists talked about the benefits and the need for daytime rest, in addition, a number of studies have confirmed this: sleep during the day improves the brain, memory, increases attention and ability to perceive new information, and normalizes metabolism. Experts agreed that daytime sleep is especially useful for people whose work is associated with increased mental stress.
But the latest specialists from the state of Minnesota, the United States showed the opposite and scientists are sure that sleep in the second half of the day is harmful to our body. According to scientists, daytime rest can increase blood pressure and as a result, hypertension may develop.
The research was conducted in one of the largest private medical centers in the world - the Mayo Clinic, and the results of their work were announced at a conference on hypertension.
In their report, experts noted that during the work 9 research papers were collected and analyzed, in which more than 100 thousand people took part. As a result, scientists found that those volunteers who slept during the day, almost 20% more likely to suffer from hypertension, compared with those who did without daytime rest. Also, experts noticed that the relationship between nighttime drowsiness (in volunteers who worked in shifts) and the risk of developing hypertension was studied, however, no relationship was found.
Hypertension is a widespread disease that affects millions of people. Disease, especially if it is not treated, can trigger a heart attack, stroke, kidney failure. Today, scientists have a fairly wide choice of drugs for high blood pressure, but according to statistical data, every fifth hypertensive disease is difficult to treat and there is no improvement in the background of taking medications.
Scientists are constantly conducting various studies that are aimed at improving the quality of life of people, but often some discoveries contradict others. For example, a few months ago, British experts said that daytime sleep would help prolong life and reduce the risk of a heart attack. In the course of the work, the scientists found that during a day's sleep, a person normalizes blood pressure - 386 volunteers participated in the experiment, who had studied the pressure indicators, especially the scientists were interested in participants with high blood pressure. As it turned out, after a day's sleep, 5% of the participants, from the group who slept during the day, the pressure was normalized and overall health improved.
Also, scientists confirmed earlier results of other studies that daytime sleep improves efficiency and concentration of attention, in addition, relieves nervous tension and increases the level of endorphins in the body. The British are sure that it is best to sleep from 13-00 to 15-00.
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