Lack of sleep harm, I believe we are all familiar with: the lack of energy, unresponsive, memory loss, reduced immunity, and even premature aging of the body ... the most common argument is that an adult should have a sleep The time 7-8 hours, but an experiment of the University of California, come to a sensational conclusion: "eight hours of sleep a day will make you die faster.
The study found that people who sleep six or seven hours a day only, more than eight hours of sleep a day, or less than four hours the mortality rate is much lower. Among them, the human mortality in the lowest of seven hours of sleep a day, and even slept only five hours, this factor should be less than 8 hours sleep enough. The researchers explained that, when your body to wake up still depends on the bed, you shorten the time of exposure to sunlight, and temperature will be long-term inactive because the body becomes too low, which secrete a large amount of melatonin a way to promote human hormones, sleep, and the rest of your day will feel more tired and sleepy. This sleepy undercuts you into deep sleep at night.
Only the full depth of sleep, the body's physiological function in order to fully repair the immune system can be strengthened, and the energy can be fully complementary. To extend the sleep time is not necessarily able to compensate for his lack of sleep, on the contrary, if blindly in bed, but did not get quality sleep. The human body but is detrimental, it may even shorten your life.
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