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InvisiblePriitK
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Da Vinchi sleep cycle
    #5577049 - 05/01/06 11:59 AM (17 years, 8 months ago)

Is this worth doing? Does it have any bad risks if you sleep like this?

What if I only got 4 hours of sleep a night, would there be any risks in that?

peace  :sun:


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I don't do drugs....I am drugs


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Offlinestefan
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Re: Da Vinchi sleep cycle [Re: PriitK]
    #5577059 - 05/01/06 12:02 PM (17 years, 8 months ago)

yeah you would be very tired all the time...

your body needs it, it's not for nothing that people sleep about 8 houres a day


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InvisibleAdden
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Re: Da Vinchi sleep cycle [Re: PriitK]
    #5577064 - 05/01/06 12:05 PM (17 years, 8 months ago)



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InvisiblePriitK
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Re: Da Vinchi sleep cycle [Re: Adden]
    #5577078 - 05/01/06 12:09 PM (17 years, 8 months ago)

I don't have time for the 8 hour cycle, how about 4-5 hours?


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InvisiblePriitK
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Re: Da Vinchi sleep cycle [Re: PriitK]
    #5577082 - 05/01/06 12:10 PM (17 years, 8 months ago)

It's when your dedicated and make cash that you dont need 8 hours really. So I think I'll try 5 and see how that goes


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InvisibleAdden
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Re: Da Vinchi sleep cycle [Re: PriitK]
    #5577093 - 05/01/06 12:12 PM (17 years, 8 months ago)

Did you even read the link?


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InvisiblePriitK
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Re: Da Vinchi sleep cycle [Re: Adden]
    #5577110 - 05/01/06 12:17 PM (17 years, 8 months ago)

nope i cant. im lagging that shizit would eat all my resources

post it here


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InvisibleAdden
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Re: Da Vinchi sleep cycle [Re: PriitK]
    #5577125 - 05/01/06 12:20 PM (17 years, 8 months ago)

Quote:

Stages

Since the early 20th century, human sleep has been described as a succession of five recurring stages: four non-REM stages and the REM stage. A sixth stage, waking, is often included. Waking, in this context, is actually the phase during which a person falls asleep. Rapid eye movement (REM) sleep is marked by extensive physiological changes, such as accelerated respiration, increased brain activity, eye movement, and muscle relaxation. People dream during REM sleep, perhaps as a result of excited brain activity and the paralysis of major voluntary muscles.

Sleep quality changes with transition from one sleep stage into another. Although the signals for transition between the five (or six) stages of sleep are mysterious, it is important to remember that these stages are, in fact, discretely independent of one another, each marked by subtle changes in bodily function and each part of a predictable cycle whose intervals are observable. Sleep stages are monitored and examined clinically with polysomnography, which provides data regarding electrical and muscular states during sleep.

Waking
The waking stage is referred to as relaxed wakefulness, because this is the stage in which the body prepares for sleep. All people fall asleep with tense muscles, their eyes moving erratically. Then, normally, as a person becomes sleepier, the body begins to slow down. Muscles begin to relax, and eye movement slows to a roll.

Stage 1
Stage 1 sleep, or drowsiness, is often described as first in the sequence, especially in models where waking is not included. Polysomnography shows a 50% reduction in activity between wakefulness and stage 1 sleep. The eyes are closed during Stage 1 sleep, but if aroused from it, a person may feel as if he or she has not slept. Stage 1 may last for five to 10 minutes.

Stage 2
Stage 2 is a period of light sleep during which polysomnographic readings show intermittent peaks and valleys, or positive and negative waves. These waves indicate spontaneous periods of muscle tone mixed with periods of muscle relaxation. Muscle tone of this kind can be seen in other stages of sleep as a reaction to auditory stimuli. The heart rate slows, and body temperature decreases. At this point, the body prepares to enter deep sleep.

Stages 3 and 4
These are deep sleep stages, with Stage 4 being more intense than Stage 3. These stages are known as slow-wave, or delta, sleep. During slow-wave sleep, especially during Stage 4, the electromyogram records slow waves of high amplitude, indicating a pattern of deep sleep and rhythmic continuity.

Non-REM Sleep
The period of non-REM sleep (NREM)is comprised of Stages 1-4 and lasts from 90 to 120 minutes, each stage lasting anywhere from 5 to 15 minutes. Surprisingly, however, Stages 2 and 3 repeat backwards before REM sleep is attained. So, a normal sleep cycle has this pattern: waking, stage 1, 2, 3, 4, 3, 2, REM. Usually, REM sleep occurs 90 minutes after sleep onset.

Stage 5, REM
REM sleep is distinguishable from NREM sleep by changes in physiological states, including its characteristic rapid eye movements. However, polysomnograms show wave patterns in REM to be similar to Stage 1 sleep. In normal sleep (in people without disorders of sleep-wake patterns or REM behavior disorder), heart rate and respiration speed up and become erratic, while the face, fingers, and legs may twitch. Intense dreaming occurs during REM sleep as a result of heightened cerebral activity, but paralysis occurs simultaneously in the major voluntary muscle groups, including the submental muscles (muscles of the chin and neck). Because REM is a mixture of encephalic (brain) states of excitement and muscular immobility, it is sometimes called paradoxical sleep. It is generally thought that REM-associated muscle paralysis is meant to keep the body from acting out the dreams that occur during this intensely cerebral stage. The first period of REM typically lasts 10 minutes, with each recurring REM stage lengthening, and the final one lasting an hour.

Sleep Cycle
The five stages of sleep, including their repetition, occur cyclically. The first cycle, which ends after the completion of the first REM stage, usually lasts for 100 minutes. Each subsequent cycle lasts longer, as its respective REM stage extends. So a person may complete five cycles in a typical night’s sleep.

Factors that Affect Sleep Stage and the Sleep Cycle
The sleep cycle is variable, influenced by several agents. Sleep cycles subsequent to the first one in a night’s sleep typically feature less slow-wave sleep, as Stages 3 and 4 shorten. Slow-wave, deep sleep is longest early in a night’s sleep. Generally, sleep disorders affect the quality, duration, and onset of sleep. Sleep deprivation, frequently changing sleep schedule, stress, and environment all affect the progression of the sleep cycle. Rapid eye movement latency (the time it takes a person to achieve REM sleep) may be affected by a sleep disorder like narcolepsy. Psychological conditions like depression shorten the duration of rapid eye movement. Also, treatment for psychiatric conditions often positively affects sleep, typically inducing some desired change in sleep habit. For example, antidepressants like Prozac? usually quicken sleep onset and lengthen REM stages. People who take antidepressants often benefit from the effects they have on the quality and duration of the sleep cycle.

Age
The percentage of REM sleep is highest during infancy and early childhood, drops off during adolescence and young adulthood, and decreases further in older age. Of course, infants require the greatest amount of sleep. As parents know, total sleep time typically becomes shorter during childhood and may become longer again in adolescence. The stage-respective dimensions of sleep change relative to age. Stages 3 and 4 in the first sleep cycle shorten even more dramatically in older people than they do during a typical night for everyone else, so older people get less total deep sleep than younger people do. Also with age comes the lengthening of the first REM stage. Older people commonly enter REM sleep quicker and stay there longer.




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InvisiblePriitK
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Re: Da Vinchi sleep cycle [Re: Adden]
    #5577130 - 05/01/06 12:22 PM (17 years, 8 months ago)

oh well, 8 hours is a waste of your life


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InvisiblePriitK
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Re: Da Vinchi sleep cycle [Re: PriitK]
    #5577133 - 05/01/06 12:22 PM (17 years, 8 months ago)

5 hours it is, the end


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Offlinestefan
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Re: Da Vinchi sleep cycle [Re: PriitK]
    #5577169 - 05/01/06 12:30 PM (17 years, 8 months ago)

good luck :smirk:


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InvisibleAdom
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Re: Da Vinchi sleep cycle [Re: stefan]
    #5577176 - 05/01/06 12:33 PM (17 years, 8 months ago)

I sleep 6-6.5 and I hike 20 miles every day and I'm never tired, I'm actually restless at night. Even when living a regular life I can't get more than 7 and when I do I'm groggy all day, over sleeping is harder on me that 4-5 hours.


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InvisiblePriitK
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Re: Da Vinchi sleep cycle [Re: Adom]
    #5577203 - 05/01/06 12:41 PM (17 years, 8 months ago)

Thanks stefan

I move a lot too when I'm outdoors so I probably do need the eight ball hours...........and workout on top of it..........maybe 6 hours is better..........ill test it and see, if it doesnt work out, its gonna be my usual 5 am sleep to like 12


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InvisibleIn(di)go
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Re: Da Vinchi sleep cycle [Re: stefan]
    #5577224 - 05/01/06 12:48 PM (17 years, 8 months ago)

actually it's your mind that needs the sleep the most, not your body...


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InvisibleVvellum
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Re: Da Vinchi sleep cycle [Re: PriitK]
    #5577230 - 05/01/06 12:50 PM (17 years, 8 months ago)

6 hours is all I need


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OfflineNickSoapdish
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Re: Da Vinchi sleep cycle [Re: PriitK]
    #5577253 - 05/01/06 12:56 PM (17 years, 8 months ago)

Quote:

PriitK said:
I don't have time for the 8 hour cycle, how about 4-5 hours?




The sleep cycle only lasts for about 2 hours.

As indigo said it's more for your mind and not your body, so if you feel alert and capable of performing cognitive tasks without too much effort, then you're getting the right amount of sleep. Some people need more than others


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InvisiblePriitK
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Re: Da Vinchi sleep cycle [Re: NickSoapdish]
    #5577297 - 05/01/06 01:12 PM (17 years, 8 months ago)

Too bad there isnt a magic MJ SHROOMER potion so youd never have to sleep nor ever feel tired.........hey mj shroomer come up with a brew


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Offlinestefan
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Re: Da Vinchi sleep cycle [Re: In(di)go]
    #5577395 - 05/01/06 01:51 PM (17 years, 8 months ago)

Quote:

In(di)go said:
actually it's your mind that needs the sleep the most, not your body...



it's part of your body, silly :smirk:


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Invisibleeligal
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Re: Da Vinchi sleep cycle [Re: stefan]
    #5577509 - 05/01/06 02:39 PM (17 years, 8 months ago)

Quote:

stefan said:
Quote:

In(di)go said:
actually it's your mind that needs the sleep the most, not your body...



it's part of your body, silly :smirk:




no your brain is part of your body, your mind is a seperate non-physical idea which uses your brain to control your body


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"do you have the freedom to do with your nervous system what you want?"

"MolokoMilkPlus said:
I'll respect you if you let me give you a blow job"

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Offlinestefan
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Re: Da Vinchi sleep cycle [Re: eligal]
    #5577519 - 05/01/06 02:44 PM (17 years, 8 months ago)

I woulnd't go as far as saying it's a body part or something, but with no brain there's no mind either...


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