A new study, derived from novel sleep research conducted by University of California at San Diego researchers 14 years earlier, suggests the secret to a long life may come with just enough sleep.
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A new study, derived from novel sleep research conducted by University of California at San Diego researchers 14 years earlier, suggests the secret to a long life may come with just enough sleep.

A new study, derived from novel sleep research conducted by University of California at San Diego researchers 14 years earlier, suggests the secret to a long life may come with just enough sleep.
Shorter sleep duration was associated with increased carotid artery wall thickening intima-media thickness among men but not women.
A study in the October 1, 2009 issue of the journal Sleep shows elderly women sleep better than elderly men even though women consistently report their sleep is shorter and poorer. Women reported less and poorer sleep than men on all of the subjective measures, including a 13.2 minute shorter total sleep time (TST), 10.1 minute longer sleep onset latency (SOL), and a 4.2 percent lower sleep efficiency.
Bats, birds, box turtles, humans and many other animals share at least one thing in common: They sleep. Humans, in fact, spend roughly one-third of their lives asleep, but sleep researchers still don’t know why.
According to the journal Science, the function of sleep is one of the 125 greatest unsolved mysteries in science. Theories range from brain “maintenance” — including memory consolidation and pruning — to reversing damage from oxidative stress suffered while awake, to promoting longevity. None of these theories are well established, and many are mutually exclusive.
Women who get less than the recommended eight hours sleep a night are at higher risk of heart disease and heart-related problems than men with the same sleeping patterns.
Research by the University of Warwick and University College London has found that levels of inflammatory markers vary significantly with sleep duration in women, but not men.

People with a habit of getting in a power nap during lunch could increase the risk of developing Type 2 diabetes, according to the findings of a research study being presented this week at in Glasgow, Scotland.
Researchers at the University of Birmingham looked at the napping habits of 16,480 people and found that diabetes prevalence increased with napping frequency, and those who napped had a 26 percent greater risk of developing Type 2 diabetes compared to those who never napped.

For many animals, sleep is a risk: foraging for food, mingling with mates, and guarding against predators just aren’t tasks possible while snoozing.
Scientists are wondering how, then, has this seemingly life-threatening behavior remained constant among various species of animals?
As of May 2, 2009 at 9:47 p.m. (-0500) (ET), the U.S. population
was 306,340,710. Sleep researchers estimate approximately seven percent
of the population suffers from obstructive sleep apnea. Using that
estimate, there are potentially 21,443,850 apneics in the U.S.
~~ Apnea around the world ~~
As of May 2, 2009 at 9:47 p.m. (-0500) (ET), the world population
was 6,777,286,604. Sleep researchers estimate approximately seven percent
of the population suffers from obstructive sleep apnea. Using that
estimate, there are potentially 474,410,062 apneics in the world.