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Voluntary Insomnia

I haven't slept for 30hrs and counting, and I'm not quite sure why...

Oh, oh! Beat the record!

quote:

Originally posted by eROs.au Oh, oh! Beat the record!

That'd be good. Randy Gardner is one cool unit.

Re: Voluntary Insomnia

quote:

Originally posted by Beat Blog I haven't slept for 30hrs and counting, and I'm not quite sure why...

I guess you tried to do the most intelligent thing you could think of.

Around 45/48 you get weird visions and stuff.. enjoy

Re: Re: Voluntary Insomnia

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Originally posted by Meat187 I guess you tried to do the most intelligent thing you could think of.

You need a script-writer.

I may be tired and cranky, but that was pure and simply fucking terrible; not like you were on the spot either, you had all the time in the world.

Chin up chief, I'm sure you'll do better next time.

quote:

Originally posted by ScuL Around 45/48 you get weird visions and stuff.. enjoy

Been there. Personal record is 48, no drugs. Came very close to crashing my car that day, started seeing some fully weird shit.

A deficit in the ability to form new human memories without sleep - Seung-Schik Yoo et al.
Nature Neuroscience 10, 385-92 (11 Feb 2007)

Evidence indicates that sleep after learning is critical for the subsequent consolidation of human memory. Whether sleep before learning is equally essential for the initial formation of new memories, however, remains an open question. We report that a single night of sleep deprivation produces a significant deficit in hippocampal activity during episodic memory encoding, resulting in worse subsequent retention. Furthermore, these hippocampal impairments instantiate a different pattern of functional connectivity in basic alertness networks of the brainstem and thalamus. We also find that unique prefrontal regions predict the success of encoding for sleep-deprived individuals relative to those who have slept normally. These results demonstrate that an absence of prior sleep substantially compromises the neural and behavioral capacity for committing new experiences to memory. It therefore appears that sleep before learning is critical in preparing the human brain for next-day memory formation�a worrying finding considering society's increasing erosion of sleep time.

That novel you just posted will certainly put him to sleep Lira. Good thinking!

quote:

Originally posted by Lira A deficit in the ability to form new human memories without sleep - Seung-Schik Yoo et al. Nature Neuroscience 10, 385-92 (11 Feb 2007) Evidence indicates that sleep after learning is critical for the subsequent consolidation of human memory. Whether sleep before learning is equally essential for the initial formation of new memories, however, remains an open question. We report that a single night of sleep deprivation produces a significant deficit in hippocampal activity during episodic memory encoding, resulting in worse subsequent retention. Furthermore, these hippocampal impairments instantiate a different pattern of functional connectivity in basic alertness networks of the brainstem and thalamus. We also find that unique prefrontal regions predict the success of encoding for sleep-deprived individuals relative to those who have slept normally. These results demonstrate that an absence of prior sleep substantially compromises the neural and behavioral capacity for committing new experiences to memory. It therefore appears that sleep before learning is critical in preparing the human brain for next-day memory formation�a worrying finding considering society's increasing erosion of sleep time. Human relational memory requires time and sleep - Jeffrey Ellenbogen et al. Proceedings of the National Academy of Sciences 104 (18), 7723-8 (01 May 2007) Relational memory, the flexible ability to generalize across existing stores of information, is a fundamental property of human cognition. Little is known, however, about how and when this inferential knowledge emerges. Here, we test the hypothesis that human relational memory develops during offline time periods. Fifty-six participants initially learned five "premise pairs" (A>B, B>C, C>D, D>E, and E>F). Unknown to subjects, the pairs contained an embedded hierarchy (A>B>C>D>E>F). Following an offline delay of either 20 min, 12 hr (wake or sleep), or 24 hr, knowledge of the hierarchy was tested by examining inferential judgments for novel "inference pairs" (B>D, C>E, and B>E). Despite all groups achieving near-identical premise pair retention after the offline delay (all groups, >85%; the building blocks of the hierarchy), a striking dissociation was evident in the ability to make relational inference judgments: the 20-min group showed no evidence of inferential ability (52%), whereas the 12- and 24-hr groups displayed highly significant relational memory developments (inference ability of both groups, >75%; P < 0.001). Moreover, if the 12-hr period contained sleep, an additional boost to relational memory was seen for the most distant inferential judgment (the B>E pair; sleep = 93%, wake = 69%, P = 0.03). Interestingly, despite this increase in performance, the sleep benefit was not associated with an increase in subjective confidence for these judgments. Together, these findings demonstrate that human relational memory develops during offline time delays. Furthermore, sleep appears to preferentially facilitate this process by enhancing hierarchical memory binding, thereby allowing superior performance for the more distant inferential judgments, a benefit that may operate below the level of conscious awareness. Sleep after learning aids memory recall - Steffen Gais, Brian Lucas, and Jan Born Learning & Memory 13 (3), 259-62 (01 May 2006) In recent years, the effect of sleep on memory consolidation has received considerable attention. In humans, these studies concentrated mainly on procedural types of memory, which are considered to be hippocampus-independent. Here, we show that sleep also has a persisting effect on hippocampus-dependent declarative memory. In two experiments, we examined high school students� ability to remember vocabulary. We show that declarative memory is enhanced when sleep follows within a few hours of learning, independent of time of day, and with equal amounts of interference during retention intervals. Sleep deprivation has a detrimental effect on memory, which was significant after a night of recovery sleep. Thus, fatigue accumulating during wake intervals could be ruled out as a confound. ...

Correct, reading books (not necessarily "academic" books) before bedtime is great because you always remember everything perfectly.

I find that the same is not true for morning reading.

quote:

Originally posted by eROs.au That novel you just posted will certainly put him to sleep Lira. Good thinking!

No that's the thing, I'm not unable to sleep, for some reason today I just chose not too. There's something really fucking weird about that, perhaps because I watched Fight Club last night. Maybe I'm the next Tyler Durden?

YOU DO NOT TALK ABOUT VOLUNTARY INSOMNIA CLUB!

Hey guys.

quote:

Originally posted by ScuL Around 45/48 you get weird visions and stuff.. enjoy

I get that after ten hours.

I have gone without sleep for 50-60 hours (2 day + 2 night + 1 day) or so once or twice. No big deal.

I could do that only because I have gone without sleep over single nights a number of times.

I'm completely useless







[pause]







if I don't sleep even after one night. Even if I just take a one or two hour nap. I get groggy and delerious and find it tough to understand things. It's a generally unpleasant experience for me.

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