Lets say you slept for 4 hours a day. How long would it take for you to get brain damage and then die?
How much sleep deprivation causes brain damage?
#1
Posted 04 March 2013 - 09:57 PM
Lets say you slept for 4 hours a day. How long would it take for you to get brain damage and then die?
#2
Posted 04 March 2013 - 11:52 PM
Mentally it can cause mild psychosis by changing the NGF's regulatory system. I would not recommend sleeping such small hours, it can be a bit damaging over time, but the damage is typically transient, after a week of good rest you will likely show no signs of damage.
#3
Posted 05 March 2013 - 03:18 PM
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#4
Posted 08 March 2013 - 01:29 AM
www.google.ca/url?sa=t&rct=j&q=world record for staying awake&source=web&cd=1&cad=rja&ved=0CDEQFjAA&url=http://en.wikipedia.org/wiki/Randy_Gardner_(record_holder)&ei=PTw5Ucv-PILmqgG-r4GgCA&usg=AFQjCNF1VqxSD_uZ8AnOLUD37osQ-lzWzA&sig2=PfU2E4tLKu4Ryz6jQvWDdA&bvm=bv.43287494,d.aWM
Edited by The Immortalist, 08 March 2013 - 01:33 AM.
#5
Posted 08 March 2013 - 07:00 PM
#6
Posted 09 March 2013 - 05:46 PM
#7
Posted 12 March 2013 - 06:15 AM
#8
Posted 12 March 2013 - 05:52 PM
However, not sleeping for a certain period of time can kill you. Chinese dude died this way: http://www.huffingto..._n_1631703.html
I read that one's immune system is severely compromised, which is a little strange to me because I didn't think the brain has much active control over what it does. This might be partially due to changes in gene expression from sleep deprivation: http://www.abc.net.a...26/3697827.htm.
They also did some studies showing that 24 hours without sleep is equivalent to .1% BAC, lol. http://life-engineer...-legally-drunk/
Also sleep deprivation can be a treatment for depression (Kind of funny considering all the other awful side effects): http://www.sciencedi...61923009002020. I know I feel great after a certain amount of sleep deprivation, but then I just crash.
I would jokingly say that I just need to get .1% BAC in order to mimic the antidepressant effects of sleep deprivation.. too bad I don't drink. :P
Edited by Elus, 12 March 2013 - 05:59 PM.
#9
Posted 12 March 2013 - 07:37 PM
#10
Posted 14 March 2013 - 11:23 PM
Sleep deprivation is not good for you. It may well be that people who sleep less have a genetic propensity to both live longer and need less sleep. To the best of my knowledge there is no studies linking deliberate sleep restriction and longevity. There are plenty of studies linking chronic sleep deprivation to diseases known to reduce life span.
For a normal person chronic sleep restriction to four hours a night would lead to depressive, anxious (maybe psychotic/manic), cardio, vascular and the list goes on of diseases.
#11
Posted 15 March 2013 - 12:28 PM
Quote from article: "There are a lot of reasons to get adequate sleep and mortality is only one outcome." said Rosenberg, "I would rather have five years of high quality life versus walking around like a zombie."
So, my question is: do people who sleep about 7 hours a day really have quality life, do they "walk around like a zombie" but still live longer? I know, that I don't feel ok if I sleep about 7 hours, my optimal sleep duration is about 8-9 hours, but I do feel terrible if I sleep more than 10 hours. Optimal sleep duration is also dependent on age, so 8-9 may be optimal for me now (age 22), disregarding study above, which has been done on adults.
Also, how to increase quality of sleep? I used to feel very refreshed in the morning when I'd been taking 5-HTP or magnesium (I don't take 5-HTP anymore and magnesium doesn't really affect my sleep anymore in such obvious manner).
Edited by hippocampus, 15 March 2013 - 12:36 PM.
#12
Posted 19 March 2013 - 04:46 PM
On the subject of increasing quality sleep I've found that CBT for insomnia to be very helpful. Supplements are a short term solution, but I don't disagree with a little Serotonin based supplements or just straight Melatonin. Herbs aren't too bad either.
I believe better quality sleep can be achieved by not laying on your bed for any reason other than sleep and sex. Associating the bed with playing on FB or watching porn can could cause problems which could diminish sleep quality. Also sleeping in a cool, dark room is beneficial. Trying to leave all your worries at the bedroom door. If you can't sleep, simply get up out of bed and do something else because you could just not be ready for sleep, then come back 15-30 minutes later.
Personally I don't count how many hours of sleep I need or have gotten previous nights. Not that I don't think about it, I just don't take into consideration the time in which I should be asleep. I typically get about 6-8 hours of sleep and sometimes sleep 8-10 hours.
Edited by CrackaLackN, 19 March 2013 - 04:47 PM.
#13
Posted 19 March 2013 - 08:59 PM
#14
Posted 19 March 2013 - 09:32 PM
I am also never more refreshed one way or another in the mornings for any particular reason that I can narrow down. Some morning are leap out of bed mornings, others are snooze multiple times mornings. I tend to think it's just a frame of mind, but I cannot discount the side effects of certain supplements that might linger into the mornings.
Moving on, during CBT I read that some people have stronger awake cycles compared to their sleep cycles at certain times of the day. This means that your "wakeful" self could be off it's timing according to the times of the day. For example, one could have insomnia because their awake cycle is too strong at night. The idea is to rearrange the awake cycles to better match your active, waking hours and sleep cycles for..well sleep, haha. I never got to the chapter on strengthening the awake cycle, but I am confident I've created a strong sleep cycle for myself now (which is all I cared about anyway).
Another interesting tid-bit I read was that our actual sleep cycles (like Stage 1, Stage 2, REM, etc) make one full cycle in 90 minutes. This could be important to you because apparently if you wake up in the middle of a sleep cycle you're more prone to being disoriented, groggy, and just the typical "someone woke up on the wrong side" of the bed mornings. If this is true I think it's easy to get this effect when everyone typically assumes 8 hours of sleep is normal, but after only 8 hours of sleep you're waking up almost halfway through a sleep cycle. The idea would be to shoot for 7.5 hours or 9 in order to get 5 or 6 cycles.
I haven't tested it out extensively (I tend to be an anarchist when it comes to sleep lately), but there are now emerging apps that you can use to help you wake up at the right time of the mornings according to the 90 minutes idea. Also, I'm not aware of how the rest of your day is supposed to pan out after waking up at the right time, or if it's just in the waking hours.
edited for bad math
Edited by CrackaLackN, 19 March 2013 - 09:35 PM.
#15
Posted 21 March 2013 - 06:08 PM
#16
Posted 21 March 2013 - 06:40 PM
The 90 minutes theory could be wrong, I've never even done real research on it, haha. But I thought it was interesting that there are now apps for that kind of application. It must be becoming popular because there are multiple apps out now that do it.
This website is basically a glorified calculator for the same purpose: http://sleepyti.me/
I just think it's interesting that it's at least somewhat popular.
#17
Posted 21 March 2013 - 07:21 PM
Anyways, the topic was based on this study, which tracked more than 1 million people for six years. It's titled "Sleep less, live longer?". Very interesting study: http://health.ucsd.e..._08_kripke.html
The conclusion:
"(...) But, he added “individuals who now average 6.5 hours of sleep a night, can be reassured that this is a safe amount of sleep. From a health standpoint, there is no reason to sleep longer.”
In it, we can see that the ideal amount of sleep per night for the average person is 7 hours, while those that sleep even just 6 or 5 hours per night still outlive those who sleep 8 hours per night, and far outlive those sleeping more than 8 hours. For women, even those sleeping just 4 hours a night outlive those having 8 hours or more.
Although very enlightening, it unfortunately hasn't answered the question of whether bad health causes people to sleep less or more than the average, or if sleeping less or more than the average harms our health.
Edited by forever freedom, 21 March 2013 - 07:21 PM.
#18
Posted 23 March 2013 - 05:56 PM
#19
Posted 02 April 2013 - 03:29 AM
The problem with sleep deprivation is increased blood pressure, faster heart rate, weaker immune system.
Also sleep is needed for neurotransmitter balance so it could increase neurotransmitter up and downregulation.
Melatonin upregulation, dopamine downregulation, serotonin floods hence yawning, etc...
Some people have naturally more or less of certain neurotransmitters and that allows them to sleep less, orexin receptors are notably involved in the development of narcolepsy.
#20
Posted 05 April 2013 - 02:11 AM
#21
Posted 16 December 2020 - 06:12 AM
Well I feel shitty if I sleep twice, for example if I wake up during my sleep then continue on trying to sleep I feel worse, even though I slept 8 hours or even 4 hours too. But I think somehow too much sleeping can hinder brain growth
#22
Posted 16 December 2020 - 11:28 AM
I need around seven hours a night but I have got by on five in the past. Never been great at sleeping and I suffered with chronic insomnia for a few years. Idon't know how anything that made me feel that crap could ever be healthy. I also found that if I couldn't sleep but needed to, I would be making unhealthy choices on the following day when I was required to work - think high caffeine beverages and sugary food. My record was five days without sleep and I would not recommend this to anyone. I was off work at that point and seeing specialists.
Edited by Droplet, 16 December 2020 - 11:29 AM.
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