Team McCallum

R&D for Lifetime of Life

Long life v sleep.

In a 10 year study of older women, Dr Daniel F Kripke found that those getting 5 to 6.5 hours of sleep a night were more likely to survive than those getting less or more than this.

444 women around San Diego were followed-up after an original study in 1995-99 had measured their sleep accurately with a wrist monitor for a week. At the start the women were aged 50-81, with an average of 68.

Getting 5 to 6.5 hours of sleep was linked to the best chance of survival. More than this cut the odds of surviving, but was better than being under 5 hours.

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October 1, 2010 - Posted by | Aging, Daniel F Kripke, Health, Sleep, Success

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