Notices
Results 1 to 13 of 13
Like Tree3Likes
  • 1 Post By Strange
  • 1 Post By Lynx_Fox
  • 1 Post By westwind

Thread: Is sleep really needed?

  1. #1 Is sleep really needed? 
    New Member
    Join Date
    Mar 2012
    Posts
    1
    There are a lot of physical, mental, and emotional reasons to sleep. But, is there any reasons why some organisms don't have to completely sleep, while others have to completely sleep? When I say completely sleep, I mean that most of the brain is not active. An example is when a human is in "deep sleep" and how most of it's brain is not active. The shark on the other hand, doesn't have to completely sleep. In fact, it turns half of it brain "off" while it keeps the other half "on" so it can stay alive. This gives it the ability to stay awake 24/7.

    The title of this post, "Is sleep really needed?", is also questioning, do humans need sleep? Most of our body is active while we sleep so we stay alive. Also, if you look back at the other Kingdoms, you will see that onle the animal kingdom holds organisms that sleep; the others don't. If humans don't need sleep, then what makes us want to go to sleep. What caused a change in our evolution to make us need to sleep while others don't need this "necessity"? And is it possible for humans to evolve so we don't need sleep? Or any other mammal for that matter?


    Reply With Quote  
     

  2.  
     

  3. #2  
    The Enchanter westwind's Avatar
    Join Date
    Jan 2012
    Posts
    1,079
    For nick55matt. Welcome to Science Forum. Do not place too much confidence in my warm welcome as other members of Science Forum are still keeping their eye on me. Just stick to the ground rules, ie: American members have difficulty coming to grips with an Australians sense of humour, but mostly they take in good part. Afterall, I love Their Musicals, especially "" Annie get yoour Gun"" and West Side Story. Also it pays to show some common sense, and, if possible, if you have an analytical mind, display this early by making intelligent, ligitament Thread Postings. Your Thread today is OK. My post is to not only welcome you, but to add something of interest to this Human sleep situation. My exaggeration is kept to about 9% on all my posts. As true as I care to remember I am a one to three hour night sleeper. This has been the case for40/45 years. I seldom manage sleep during daylight hours. It matters not the time I go to bed, how tired I am. How much work I have been performing. Normally for me, no sleep before 0230/0330hrs. Various reasons have been brought forwards for this. The popular one, some childhood incident that immediately went deep into my Scychotic memory, the fear of sleeping---maybe thats when I'm going to die---or worse. My explanation, damaged lower back, spinal and Hip Adhesion tears, due to some heavy falls when young. It happens, more than you think. The pain, dull as it is, is sufficient to keep me from dropping off to sleep. Sheer exhaustion then takes over, plus the usual sedatives etc. Am I alert when I wake up? What does that mean? Now, nick55matt, I know this is not strictly what you are asking in a more general way, but I will make one point from personal experience. Several times I have remained without sleep for over 96 hours. I am then at the point of callapse. So my answer to the Thread"" do humans need sleep "" is yes, yes, yes, the more the better, westwind.


    Reply With Quote  
     

  4. #3  
    Brassica oleracea Strange's Avatar
    Join Date
    Oct 2011
    Location
    喫茶店
    Posts
    17,036
    Quote Originally Posted by westwind View Post
    American members have difficulty coming to grips with an Australians sense of humour
    That might just be you rather than Australians in general

    So my answer to the Thread"" do humans need sleep "" is yes, yes, yes, the more the better
    I agree completely. There is another thread that discusses the importance of sleep: Modern science at its lowest.

    p.s. Westwind: pssst... "paragraphs" ... look it up
    westwind likes this.
    ei incumbit probatio qui dicit, non qui negat
    Reply With Quote  
     

  5. #4  
    The Enchanter westwind's Avatar
    Join Date
    Jan 2012
    Posts
    1,079
    For Strange. Well, you could have a point there. ( sense of humour ). I always think I am being clever and rollicking around in the moment. In truth I'm probably being a pain in the Arse. Still. if you show a little forebearance, I promise you I'll be by your side when the going gets tough. westwind.
    Reply With Quote  
     

  6. #5  
    The Enchanter westwind's Avatar
    Join Date
    Jan 2012
    Posts
    1,079
    For Strange. Yep, you are right. I'm letting the side down. I'm normally a sticker for Punctuation, Paragraphing, not ending on a preposition or an adverb. More Senior members of the Human Race, well me anyway, tend to ramble a little. Trying to think on my feet so to speak. MW sussed this straight away. There just maybe a Pearl in one of my oysters, having to open so many oysters seeking this pearl certainly could be off--putting. ( there, a preposition ).
    However, your pleas are taken on board, It is up to me to justify your tolerance of many of my Posts. Please keep up the interest, as I feel Í'll lay you in the aisle one of these days. westwind.
    Reply With Quote  
     

  7. #6  
    Suspended
    Join Date
    Dec 2008
    Location
    Nirgendwo und Ueberall
    Posts
    1,296
    Reply With Quote  
     

  8. #7  
    Forum Cosmic Wizard icewendigo's Avatar
    Join Date
    Jun 2006
    Posts
    2,150
    I can tell you from personal experience that a night without sleep impairs my intelect slightly and increases the odds i get sick, while 2nd night without sleep causes greater impairment dozong off and virtually garantees i will get a cold, flu etc. My immune system is apparently greatly dependant on sleep for optimal function.

    As for using half the brain, i would like to point out that sharks (or dolphins) dont create works of art, design blueprints for bridges that hold tons of vehicles, and dont talk about oscar nominations to a passenger while driving a car on a metropolitain express lane steering with the left hand adjusting temperature with the right hand while switching between pedals with the right foot (and pressing the clut h with the left foot for manual cars), if they can swim around on half a brain it doesnt mean we can seamlessly do what we do on half a brain.
    Last edited by icewendigo; March 9th, 2012 at 10:21 AM.
    Reply With Quote  
     

  9. #8  
    Moderator Moderator
    Join Date
    Apr 2007
    Location
    Washington State
    Posts
    8,416
    Icewendigo, that driving thing was funny. It chilled me a bit to think of all the time I've woke from a dazed zoning out reallizing I'd driving miles down a country road on "autopilot." Fatigue makes it even worse--when you start missing your driveway Twice!
    Meteorologist/Naturalist & Retired Soldier
    “The Holy Land is everywhere” Black Elk
    Reply With Quote  
     

  10. #9  
    Moderator Moderator
    Join Date
    Nov 2011
    Location
    city of wine and roses
    Posts
    6,222
    It chilled me a bit to think of all the time I've woke from a dazed zoning out reallizing I'd driving miles down a country road
    Oh lordy, don't remind me. My husband was working in the country 3 hours drive away from the city a couple of years ago. It always seems different when you start out in bare countryside. (The north of South Australia might better be described as 'stark'.) I'd be much more 'zoned out' by the time I arrived at the town where I usually stopped off for snack, drink and walk around than when driving the other direction, a little bit further, from the city. Probably got something to do with no need to change speed and not too many other vehicles on those particular roads. I'd even forget the names of the towns en route even though I'd been through them a couple of times in the previous 3 or 4 days.
    "Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen." Winston Churchill
    "nature is like a game of Jenga; you never know which brick you pull out will cause the whole stack to collapse" Lucy Cooke
    Reply With Quote  
     

  11. #10  
    Suspended
    Join Date
    Jan 2012
    Posts
    652
    Loss of sleep will make you more likely to be a fat stupid bastard- so if you are okay with that, by all means burn the candle at both ends. That being said, this "early to bed, early to rise stuff" is hard to put into practice for yours truly- must be living in the wrong time zone. Time for a nap...
    Reply With Quote  
     

  12. #11  
    Moderator Moderator
    Join Date
    Apr 2007
    Location
    Washington State
    Posts
    8,416
    Quote Originally Posted by Arthur Angler View Post
    Loss of sleep will make you more likely to be a fat stupid bastard- so if you are okay with that, by all means burn the candle at both ends. That being said, this "early to bed, early to rise stuff" is hard to put into practice for yours truly- must be living in the wrong time zone. Time for a nap...
    A few years ago I remember reading a study about our cycles being somewhat dependent on age as a common trait in my primitive cultures. Most interesting is it found nearly the same thing among other social primates--such as baboons. The old would go to bed/nest early and wake early . The "teenagers" would raise hell half the night and get up late. The effect was there were some part of the tribe awake nearly all the time like a hard-wired rotating guard force to detect predators.
    westwind likes this.
    Meteorologist/Naturalist & Retired Soldier
    “The Holy Land is everywhere” Black Elk
    Reply With Quote  
     

  13. #12  
    The Enchanter westwind's Avatar
    Join Date
    Jan 2012
    Posts
    1,079
    For Arthur Angler, ( HE HE HE ), Your've been reading my birth certificate again. No, this is serious shit. Immune systems, ( something that I would really like to know a lot more about ), probably call for all kinds of sleep. Do not dismiss or forget what I have posted already on this Thread. To overcome the inability to sleep has proved an ongoing problem for me. A life time problem. I am a hard case that investigative Science would do well to be aware of. ( preposition ). How have I adapted to my situation? Don't think '' TELL SOMEONE WHO CARES . I care. Enough to post to this thread. Well, as far as adaptation goes, you do your best. Your social Life is normally a disaster. Do it yourself projects around the house take a little longer then average. Car Driving? Especially when you are not young anymore.? No medication 18 hours before long drives. Utmost concentration. Very little conversation. Pull over, can't sleep, but can re-boot for another 20 kms etcetc. I am an excellent driver, especially handling anything over 110 kms per hour. Stuffed the next day though. Just one more thing, why is my brain still working when it shouldn't be? average the extra hours I am awake and more or less thinking, reading, working out conceptions and theories, planning, etc. In waking hours my time on this Planet equals half my life span added on to my present age, lets say I am, in waking hours, 110 years old. As compared to someone who sleeps 8 hours a night. I cannot run 100 yards in 9'5 seconds, takes me 11.0 seconds. westwind.
    Lynx_Fox likes this.
    Reply With Quote  
     

  14. #13  
    Forum Freshman
    Join Date
    Mar 2012
    Posts
    32
    Brain needs time to rest and recover...Probably animals with little bitty brains don't need to sleep because they are not really using it much
    Reply With Quote  
     

Similar Threads

  1. Why do we sleep?
    By could147 in forum Health & Medicine
    Replies: 75
    Last Post: July 30th, 2012, 03:27 PM
  2. Participants needed for online study: Sleep, memory and drug use (20-60mins)
    By Vanessa_Researcher in forum Behavior and Psychology
    Replies: 2
    Last Post: August 17th, 2011, 01:50 AM
  3. Not enough sleep
    By newnothing in forum Health & Medicine
    Replies: 14
    Last Post: June 21st, 2009, 01:39 AM
  4. Sleep......
    By Dimension in forum Biology
    Replies: 4
    Last Post: March 1st, 2008, 03:47 PM
  5. sleep
    By AlexP in forum General Discussion
    Replies: 21
    Last Post: August 9th, 2007, 12:59 AM
Bookmarks
Bookmarks
Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •