Discover: Sleep for 6 to 7 hours and can lengthen the life-span every day

Discover: Sleep for 6 to 7 hours and can lengthen the life-span every day
The sleep is considered the most ideal in 8 hours every day, new finding, the sleep will probably make persons have the allotted portion of life reduced by having or getting more than one deserves in 8 hours. The researchers of American University of California draw the conclusion after observing more than 1 million people: Sleep 8 hour or people of a longer time every day, sleep 4 hour or fewer than people for 4 hours only every day, their life-span is shortened. Go to bed, contribute to, lengthen people's life-span most 6 to 7 hour every night. Study to reveal, there are obvious connections between sleep and high mortality for a long time. But the question is the reason why scientists also can't explain this phenomenon at present. This research report points out, the persons of 6 and a half hours can rest assured to sleep every day on average, their sleep is enough. Say from the healthy angle, it is unnecessary to sleep for more time. Professor Horn of the sleep research center of British pressgang's fort university points out too, those say that the beneficial person is actually misled to sleep more. Whether one's sleep is enough, mainly see whether he could keep sober in the daytime. Study yet to find, phased insomnia has no connection with high mortality. But taking sleeping pill will result in dying early.

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