Some People Just Need Less Sleep - Yahoo! News
Some People Just Need Less Sleep >
Jeanna BrynerSenior WriterLiveScience.com Thu Aug 13, 3:07 pm ET >
Excerpts:>
Sleep logs revealed the 44-year-old woman and her 69-year-old mother have been "natural short sleepers" for most of their lives. They both go to bed at about 10 p.m. and rise at 4 or 4:30 a.m. >
While that might sound a lot like your schedule, there's a catch: Besides catching fewer Z's, the two family members are also very active. For instance, the mother travels internationally often and dances three or four times a week. >
"They really have shorter sleep requirements," said study researcher Ying-Hui Fu, a professor of neurology at the University of California at San Francisco, Mission Bay. >
It turns out, the pair are genetically programmed for such abbreviated sleep. They both carry a genetic mutation to the gene DEC2 that Fu and her colleagues found is at least partly responsible for the sleep pattern and probably contributes to so-called sleep homeostasis (how much sleep we need). >
Read full article: http://news.yahoo.com/s/livescience/20090813/sc_livescience/somepeoplejustneedlesssleep
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This posting was made my Jim Jacobs, President & CEO of Jacobs Executive Advisors. Jim also serves as Leader of Jacobs Advisors' Insurance Practice.
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