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to sleep or not to sleep?
antartica Posted: Tue Feb 10 08:14:32 2004 Post | Quote in Reply  
  A full night's sleep? Not everyone needs it


By Marilyn Elias, USA TODAY

The truism that all adults need at least eight hours of sleep a night for good health should be put to rest by mounting evidence that less may be better, a leading sleep scientist says.

People who sleep about seven hours a night live the longest, three huge studies have found, the newest out in the February issue of the journal SLEEP.

Still, many sleep experts say lots of adults get too little rest, and that can lead to dangerous health problems.

In the latest report from Japanese researchers, 104,010 adults were followed for about 10 years. At the start, the participants answered questionnaires about their sleep patterns, and about their health, mental health and lifestyle habits, which also can affect survival.

After accounting for all of these factors, adults getting an average of seven hours had the lowest death rates. Surprisingly, less sleep, even as little as four hours a night, didn't significantly increase deaths for men and only lowered survival for women if they averaged less than four hours. But adults who slept longer than seven hours, particularly women, were more likely to die during the 10 years.

Two other major published studies and a dozen smaller ones came to similar conclusions, says psychiatrist Daniel Kripke, a sleep researcher at the University of California-San Diego School of Medicine.

Doctors shouldn't tell all of their patients to get at least eight hours of sleep, he says in an editorial in the journal.

Hormonal changes triggered by darkness or other unknown biological effects from long sleep could be affecting survival, Kripke says.

But short sleepers may suffer other bad effects. In his brief studies, those sleeping four to 5 hours did poorly on tests that measure memory, clear thinking and the ability to pay attention, "and they did progressively worse as the week went on," says David Dinges of the University of Pennsylvania School of Medicine. Adults who slept about seven hours performed best, he says.

Dinges uses monitors in his studies to determine exactly how much people are sleeping; the larger studies rely on personal estimates, and there's evidence these may not be accurate, Dinges says.

Other small studies have found adults who sleep less than six hours may be at higher risk for diabetes and obesity. And sleep deprivation also causes car crashes, Dinges says.

"People should get as many hours sleep as they need to feel rested," Kripke says, adding that there's no proof that shortening sleep will lengthen life. Sleep need is partly genetic and may be determined by other factors that also influence life span, he says.



 
iggy Posted: Tue Feb 10 11:26:09 2004 Post | Quote in Reply  
  sleep on!

i'm preserving my youth by sleeping more than the average human


 
libra Posted: Tue Feb 10 13:16:36 2004 Post | Quote in Reply  
  i need to work on this. my average is 7. but i get about 5 too often. stupid early classes.


 
marsteller Posted: Tue Feb 10 15:51:47 2004 Post | Quote in Reply  
  sleep is for the weak. "real gangsta ass niggas don't sleep"


 
sweet p Posted: Tue Feb 10 19:46:38 2004 Post | Quote in Reply  
  marsteller said:
>sleep is for the weak. "real gangsta ass niggas don't sleep"

Geto Boys!!
Always makes me think of Office Space....
:)


 
dan632 Posted: Tue Feb 10 19:51:27 2004 Post | Quote in Reply  
  what the fuck is sleep?!?!
haha, i only get like 6 hours on a good night, my mum likes to wake me up...bitch, hehe.
but sometimes i tend to sleep for like 12-15 hours


 
lethal_poppy Posted: Tue Feb 10 23:58:31 2004 Post | Quote in Reply  
  Gosh! if anyone were to ask me whats a luxury, zzz is definitely a luxury or me. Haven been getting any quality ones recently and im getting crankier and crankier by the day.

Elp! Elp! I need my zzz! On a nice cosy bed.. and not on my sch desk! GRINZ..




 
dan632 Posted: Wed Feb 11 15:05:42 2004 Post | Quote in Reply  
  mara said:
>marsteller said:
>>sleep is for the weak. "real gangsta ass niggas don't sleep"
>
>Lucky I'm a real gansta ass nigga then.

if u were in Atlanta right now, u would get the shit beaten outta you for saying nigga!! bad bad girl!


 



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