Author Topic: How Much Sleep Do We Really Need?  (Read 3195 times)

Maricel

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How Much Sleep Do We Really Need?
« on: June 11, 2008, 02:40:18 AM »
How Much Sleep Do You Really Need?
By LAURA BLUE
Tue Jun 10, 4:00 PM ET
 


Sleep is one of the richest topics in science today: why we need it, why it can be hard to get, and how that affects everything from our athletic performance to our income. Daniel Kripke, co-director of research at the Scripps Clinic Sleep Center in La Jolla, Calif., has looked at the most important question of all. In 2002, he compared death rates among more than 1 million American adults who, as part of a study on cancer prevention, reported their average nightly amount of sleep. To many his results were surprising, but they've since been corroborated by similar studies in Europe and East Asia. Kripke explains.
 
Q: How much sleep is ideal?


A: Studies show that people who sleep between 6.5 hours and 7.5 hours a night, as they report, live the longest. And people who sleep 8 hours or more, or less than 6.5 hours, they don't live quite as long. There is just as much risk associated with sleeping too long as with sleeping too short. The big surprise is that long sleep seems to start at 8 hours. Sleeping 8.5 hours might really be a little worse than sleeping five.


Morbidity, [or sickness,] is also "U-shaped," in the sense that both very short sleep and very long sleep are associated with many illnesses - with depression, with obesity, and therefore with heart disease and so forth. But the [ideal amount of sleep] for different health measures isn't all in the same place. Most of the "low points" are at seven or eight hours, but there are some at six and some even at nine. I think diabetes is lowest in seven-hour sleepers, [for example]. But these measures aren't as clear as the mortality data.


I think we can speculate [about why people who sleep 6.5 to 7.5 hours live longer], but we have to admit that we don't really understand the reasons. We don't really know yet what is cause and what is effect. So we don't know if a short sleeper can live longer by extending their sleep, and we don't know if a long sleeper can live longer by setting the alarm clock a bit earlier. We're hoping to organize tests of those questions.


One of the reasons I like to publicize these facts is that I think we can prevent a lot of insomnia and distress just by telling people that short sleep is OK. We've all been told you ought to sleep eight hours, but there was never any evidence. A very common problem we see at sleep clinics is people who spend too long in bed. They think they should sleep eight hours or nine hours, so they spend eight or nine hours in bed, with the result that they have trouble falling asleep and they wake up a lot during the night. Oddly enough, a lot of the problem [of insomnia] is lying in bed awake worrying about it. There have been many controlled studies in the United States, Great Britain and other parts of Europe that show that an insomnia treatment that involves getting out of bed when you're not sleepy, and restricting your time in bed, actually helps people to sleep more. They get over their fear of the bed. They get over the worry, and they become confident that when they go to bed they will sleep. So spending less time in bed actually makes sleep better. It is in fact a more powerful and effective long-term treatment for insomnia than sleeping pills.

 :]zzz


Here's the  LINK




fetiers

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Re: How Much Sleep Do We Really Need?
« Reply #1 on: June 11, 2008, 04:40:40 AM »
Trust me, i tried.

We'd all die anyway :D
Alas! poor souls,
my mind has rotted.

Maricel

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Re: How Much Sleep Do We Really Need?
« Reply #2 on: June 11, 2008, 05:54:24 AM »
Trust me, i tried.

We'd all die anyway :D

Oh yeah, I believe you.  ROFL!:


Deme

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Re: How Much Sleep Do We Really Need?
« Reply #3 on: June 13, 2008, 06:12:51 PM »
Don't sleep
Careful, you may get exactly what you wish for.

MAKUFMA90

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Re: How Much Sleep Do We Really Need?
« Reply #4 on: October 19, 2008, 11:23:26 PM »
5 to 6 hours sleep and in between the day 15 to 20 mins nap

We don't need any institution to be recognized, we exist because we wanted to, we are living the future, we can make it or break it, one word can make a change and it only takes one man to do such thing

AAA

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Re: How Much Sleep Do We Really Need?
« Reply #5 on: November 16, 2008, 02:10:32 AM »
Had a very good sleep the whole Sunday.

Really need to compensate the sleepless nights doing some tasks.

Now, I'm fully energised and feeling great!  :)
   
     

KERSEY

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Re: How Much Sleep Do We Really Need?
« Reply #6 on: November 16, 2008, 06:18:31 AM »
Aussie Aussie Aussie!
Oy oy oy!

AAA

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Re: How Much Sleep Do We Really Need?
« Reply #7 on: November 16, 2008, 06:22:18 AM »
 ;D}

you made me laugh  :D
   
     

Nurse

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Re: How Much Sleep Do We Really Need?
« Reply #8 on: November 16, 2008, 07:48:27 PM »
6 to 8 hours is what we need. I get at least 5 to 6 hours a night. If less than that I need a nap at work as I could be very sleepy. Sometimes I only sleep 4 hours or less if I log into CT and get stock with B and D :yawn: ;D}

lady marmalade

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Re: How Much Sleep Do We Really Need?
« Reply #9 on: January 03, 2009, 06:56:32 AM »
I normally go to bed around 5:oo in the morning and then gising na around 11:00 am DI NA NORMAL TOOOOOOOOOOOOOOOOOO! can you guys help me? should I take sleeping pills? :sad:


Lambselect

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Re: How Much Sleep Do We Really Need?
« Reply #11 on: December 13, 2009, 09:10:32 AM »
I find that during weekdays, with the daily routine, I tend to fall asleep easier, like, for example, when watching tv --- most weekends though, when I don't get tired so much, I tend to find it hard to sleep --- especially during Sunday night, when I have to wake up super early for the next day!  :D

KERSEY

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Re: How Much Sleep Do We Really Need?
« Reply #12 on: December 15, 2009, 02:27:14 AM »
Lucky for you your job is not classifying T.V. programmes

Alon

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Re: How Much Sleep Do We Really Need?
« Reply #13 on: September 19, 2017, 01:03:16 PM »
6.5 to 7.5 hours is too little for me.  Guess I won't be old.   :laughing: