Xenophilia (True Strange Stuff)

Blog of the real Xenophilius Lovegood, a slightly mad scientist

Women’s study finds longevity means getting just enough sleep

Posted by Anonymous on September 30, 2010

Scott Lafee – University of California — San Diego

A new study, derived from novel sleep research conducted by University of California, San Diego researchers 14 years earlier, suggests that the secret to a long life may come with just enough sleep. Less than five hours a night is probably not enough; eight hours is probably too much.

A team of scientists, headed by Daniel F. Kripke, MD, professor emeritus of psychiatry at UC San Diego School of Medicine, revisited original research conducted between 1995 and 1999. In that earlier study, part of the Women’s Health Initiative, Kripke and colleagues had monitored 459 women living in San Diego (ranging in age from 50 to 81) to determine if sleep duration could be associated with mortality.

Fourteen years later, they returned to see who was still alive and well. …

“The surprise was that when sleep was measured objectively, the best survival was observed among women who slept 5 to 6.5 hours,” Kripke said. “Women who slept less than five hours a night or more than 6.5 hours were less likely to be alive at the 14-year follow-up.”

The findings are published online in the journal Sleep Medicine.

Kripke said the study should allay some people’s fears that they’re not getting enough sleep. “This means that women who sleep as little as five to six-and-a-half hours have nothing to worry about since that amount of sleep is evidently consistent with excellent survival. That is actually about the average measured sleep duration for San Diego women.”

Researchers uncovered other interesting findings as well.  … among older women, obstructive sleep apnea (pauses in breathing during sleep) did not predict increased mortality risk.

via Women’s study finds longevity means getting just enough sleep.

6.5 is probably my average. How many years to we have to wait to find out how long men should be sleeping?

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One Response to “Women’s study finds longevity means getting just enough sleep”

  1. thank you for all bro

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