Release date: 2015-02-28
The disadvantages of lack of sleep, I believe we are familiar with: poor energy, slow response, memory loss, decreased immunity, and even the body's accelerated aging.
But how long does it take to sleep every day? At present, the most common saying is that an adult should sleep for about 8 hours. However, is it really healthy to sleep 8 hours a day?
An experiment at the University of California in the United States yielded a sensational conclusion: you can die faster by sleeping 8 hours a day. The University of California San Diego School of Pharmacy and the American Cancer Society have spent six years researching 1 million subjects between the ages of 30 and 102. People who sleep 7 hours a day have more than 8 hours or less sleep. The death rate for people in 4 hours is much lower. Among them, people who slept 7 hours a day had the lowest mortality rate, and even those who only slept for 5 hours had a lower mortality rate than those who slept for 8 hours.
Although the research institutes say that more evidence is needed for the causal correspondence between mortality and sleep time, this undoubtedly suggests that the traditional 8-hour statement is not necessarily the most reliable.
In the same situation, not only in sleep, every health advice we hear may be counterproductive and not necessarily universal.
AJ Accord shared his story in his speech: He followed a "healthy" lifestyle in pursuit of health, from sunscreen with a glass to a bicycle helmet. But there have been many unexpected things in the process. He explained why a healthy lifestyle almost killed him.
Source: Bibby
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