Scientists say: sleeps 5 to 6 hours and a half women live longer and healthier

New research shows that women do not have to worry about lack of sleep, to sleep every night to 7 to 8 hours and does not, in fact only slept 5 hours and 6 hours and a half may also be longer.

Earlier this year a large study shows no daily sleep 7 hours and the risk of heart disease increases the risk of; another study the assertion, sleep every night to 6 hours, comparison may be 65 before bidding farewell to the world.

However, according to the United Kingdom the "daily mail" reported that the United States to 459 senior woman as the object of the latest research findings, and sleep time slightly less than previously recommended 7 hours of life longer than those who sleep time more people.

Researchers hope that their findings will help eliminate many people believe that their lack of sleep.

Although the experts recommended that adults should sleep every night from 7 to 9 hours, in order to stay healthy, but many people actually sleep time is far below the standard.

The University of California, San Diego School of Medicine researchers study conducted in 1995, tracking those initially aged in 50 to 81 years old, wants to establish the sleep and mortality and found every night sleep 5 hours and 6 hours and a half people enjoy the longest survival.

They expand, use wrist activity monitor observation of objects of sleep habits, these devices can be found by activities is sleeping is awake object, and then work out for a night of total sleep time.

Last year, researchers in 14 years to try to contact all of these women, see whether they are still alive and found every night sleep longer than 6 hours and a half, and less than 5 hours, still alive in many low potential.

Chair of Professor Krishna ropke said: "surprisingly objectively measure sleep time, found that only 5 hours sleep to 6 hours and a half people the best survival rate.

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He said that the published in the journal sleep, study reports, you can mitigate some people feel that the concerns of not getting enough sleep.

(Edit: Justin Lin, internships)