7 interesting facts about sleep
Health / / December 19, 2019
Knowledge is power. A layfhakeru knowledge is needed twice. In this series of articles we collect for you fascinating and sometimes surprising facts about the world around us. We hope that they will show you not only interesting but also practically useful.
More recently, the massive research on the nature of sleep was rather difficult task. A person need to be persuaded or interest to participate in the scientific program, put in the lab, use special equipment. Everything changed with the proliferation of the popular fitness gadgets, able to fix the various physiological parameters directly in the normal course of human life. Yes, their capacity is not too large compared with scientific equipment, but how wide the circle test!
sleep duration
One-third of his life a person spends on a dream. It turns out about 25 years - think about this figure! However, that's so easy to take and reduce sleep time will not work. For the full existence of our body requires about 7-8 hours a night's rest. If this figure is much less than that, there is a rapid decline in mental and physical abilities. However, scientists have noticed that over the last century due to the rapid technological progress mean sleep time decreased from 9 to 7.5 hours. Who knows, maybe that is not the limit.
records
The longest period of time during which a healthy person could go without sleep is 11 days. record was set in 1965, 17-year-old high school student from San Diego, California. Although history knows of an even more spectacular event, when Hungarian soldiers I got brain damage due to injury to the head and did not sleep as a result of almost 40 years.
Sleep and weight
scientists foundThat the systematic lack of sleep can lead to a fairly rapid increase in weight (up to a kilogram a week ago). The reason is that the body is the shortage of resources trying to make up for them in any way possible. Therefore, the subjects constantly feel hunger, which results in the appearance of extra kilos. Therefore, if you want to lose weight, get enough sleep.
Like sleeping geniuses
Great men are different from all the others, not only their mental abilities, but also some everyday habits. For example, Leonardo da Vinci used a polyphasic sleep method: rest every 4 hours and 15 minutes. Nikola Tesla I slept 2 hours per day, and Einstein was resting a little more - 4 hours a day. And this is not an exhaustive list, with its continuation can be found in this article.
dreaming
Some people claim that they never see dreams. However, this is not true: according to scientists, the dreams they see everything. However, the vast majority of dreams we forget. After five minutes of waking 50% of the night's adventures already impossible to remember, as if it's been ten minutes, this figure is closer to 90%. Hence the conclusion: if you want to fix your night's sleep, lay next to a notebook with a pen or tape recorder to do it immediately.
Alarms
He invented the first mechanical alarm clock Levi Hutchins (Levi Hutchins) in 1787 in America. He could wake up only at the same time - 4:00 am. An alarm clock that can be set to any desired time, there was only 60 years later, thanks to Frenchman Antoine Rade (Antoine Redier). But then it was insanely expensive device, so ordinary people often use the services of special peopleWho walked the streets and knocked on the window in the agreed time.
Women and men
According to statistics collected by the Fitbit service, women sleep about 20 minutes longer than men. With regard to the quality of sleep, the men sleep more restless sleep and wake up more often. But women are 10% more likely to report sleep problems and celebrate the quality of their sleep as unsatisfactory. It can be explained the factThat women see a much more intense and emotional dreams, sometimes turning into nightmares.
And you manage to get some sleep? What do you think, how many hours should last night's sleep?