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Alternative Sleep Cycles: You Don’t Really Need 6-8 Hours!

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Most people only think that there is one way to sleep: Go to sleep at night for 6-8 hours, wake up in the morning, stay awake for 16-18 hours and then repeat. Actually, that is called a monophasic sleep cycle, which is only 1 of 5 major sleep cycles that have been used successfully throughout history. The other 4 are considered polyphasic sleep cycles due to the multiple number of naps they require each day. How is this possible? How is this healthy? Well the most important of every sleep cycle is the Stage 4 REM (Rapid Eye Movement) sleep, which has been shown to provide the benefits of sleep to the brain above all other stages of sleep. When changing over to a polyphasic cycle, the lack of sleep tricks the body into entering REM sleep immediately instead of 45 to 75 minutes into sleep like in the monophasic sleep. This way, you still get the benefits of 8 hours of sleep without wasting all of the time it takes to get to REM cycles, resulting in a much more efficient sleep cycle. Here are polyphasic cycles:

Uberman Cycle:

uberman1 20 to 30 minute naps every 4 hours, resulting in 6 naps each day. The uberman cycle is highly efficient, and usually results in feeling healthy,  feeling refreshed upon waking and extremely vivid dreams. Many uberman-users report increased ability to lucid dream as well. However, the rigid schedule makes it near impossible to miss naps without feeling horribly tired. Blogger Steve Pavlina tried the cycle for 5.5 months and had amazingly positive results.He only reverted to monophasic sleep so that he could be on the same cycle as his wife and children. Read his articles and updates on the cycle here.

Everyman Cycle:

everyman One longer “core” nap that is supplemented with several 20-30 minute naps. The most successful variations that I have read about are either one 3 hour nap and three 20-minute naps or one 1.5 hour nap with 4-5 20 minute naps, all of which have equal amounts of time in between each nap. This cycle is much easier to adjust to than the Uberman and allows for more flexibity in nap times and in skipping naps when necessary. It is also still extremely efficient compared to monophasic with only 3-4 hours of sleep per day. Many bloggers have tried out this cycle and reported no negative effects on their health.

Dymaxion Cycle:

dymaxionBucky Fuller invented the cycle based on his belief that we have two energy tanks, the first is easy to replenish whereas the second tank (second wind) is much harder to replenish. So Bucky began sleeping for 30 minutes every 6 hours. That’s 2 hours a day of sleep! He reported feeling, “the most vigorous and alert condition I have ever enjoyed.” Doctors examined him after several years of using the cycle and pronounced him perfectly healthy. In fact, Fuller only stopped the cycle because his business associates were still stuck on monophasic cycles. This is by far the most extreme of the 4 alternate cycles, but also the most efficient.

Biphasic/Siesta Cycle:

Not even worthy of a diagram, the biphasic cycle is basically that of every college student in America. The biphasic cycle consists of sleeping for 4-4.5 hours at night, and then taking a 90 minute nap around noon. So not all that different, still more efficient than monophasic, but not by much.

So which cycle is right for you?

That completely depends on your lifestyle. Keep in mind that if you decide to switch to either the Dymaxion or Uberman cycles, you will be a zombie from day 3 to around day 10 until your body fully adjusts to the cycle. Here are some other tips I have gathered from reading other people’s accounts:

- Eat healthy, avoid fatty foods and the adjustment will be much easier

- Make sure you have a project to work on during all of your new awake hours as it makes the time go by faster

- Also make sure you have two or three weeks of freedom to adjust to the cycle so that you don’t go to work or school completely dead from sleep deprivation

- Hang in there. Each of the cycles will get exponentially easier all of the sudden after the first 2 weeks or so. Just be patient and diligent! Don’t skip naps or change your nap times around or you will basically have to start your adjustment period over.

- Use natural cues for being waking up from naps like sunlight and loud music, while using darkness and silence for sleep (obviously)

If you are seriously considering making the switch over the a polyphasic sleep cycle, a really enjoyable and informative read is Steve Pavlina’s extremely in-depth report of his experience with the Uberman cycle, available here.

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199 thoughts about Alternative Sleep Cycles: You Don’t Really Need 6-8 Hours!

  1. hotdog said on 06.26.2012

    Hey this guy is trying a new sleep cycle and he’s blogging it. Check it out at http://corbinsleepcycle.blogspot.ca/

  2. Nice site! I enjoy several of the articles that were written, and especially the comments! I will definitely visit again.

  3. This is a great look blog.Very to settle into a blog.

    • I’ve tried the polyphasic thing briefly but always felt stressed out, maybe from the pressure of always having to hit your nap times exactly right. I did successfully reduce my sleep time monophasicly though with the help of this site http://powerfulsleep.com. They sell an ebook there that outlines a program. It worked pretty well

  4. In case any of you are wondering, these purported alternate sleep cycle never actually work. If you want the details of the reasoning that backs this statement, I would suggest you read this article (http://www.supermemo.com/articles/polyphasic.htm). It explains it quite well.

    • Thank you! Polyphasic sleep sounds great on paper, but it seems like the advantage is only gained in times were a full 6-8 hours is impossible (ie: fighting in a war).

      Also there is a follow-up article here http://www.supermemo.com/articles/polyphasic2010.htm

      Both shed plenty of light on the polyphasic sleep cycles.

      Essentially it boils down to sleeping either monophasic or biphasic making sure the naps are no less than 45 min & no more than 90.

      Of course, these are just guidelines. Either way 2 hours of sleep a day just won’t cut it. You can curtail your hours of sleep to 5-6 a day, but the occasional 10 minicoma is reccomended

  5. Irfan said on 09.15.2012

    I am going to try the Dymaxion Cycle today. I have to study a lot for my SATs which are only weeks away. I hope this works.

  6. Is it suitable for my age ? I am 14 years old. I would like to switch to one of the polyphasic sleep cycles but i am not sure if it is right in my age. Everywhere i read that long 8-10h sleep is recommended in my age for body to grow properly. Is here anybody who would answer my question with a bit of explanation ?

  7. I tried polyphasic sleep until I read that chronobiologists think it’s impossible. They do say biphasal sleep is more natural to humans.

    If you do polyphasic sleep, your sleep will mostly be REM sleep because the mind is more delicate, and a bad mood can have far-reaching consequences. But your body still need NREM sleep to repair itself, as it’s the only time the body is fully relaxed, and you can’t repair an engine while it’s running. That’s why lack of sleep will lead to immunosuppression.

  8. I do agree that REM sleep is important as a means of refreshing the brain. But, is it right to do so at the expense of deep sleep? Those who sleep through the night enter deep sleep stages before their REM stages as a means of recharging their muscles and producing growth hormones to help them maintain physical as well as mental health. I don’t think shortcutting deep sleep is the way to go personally, but if it works for others then who am I to judge?

  9. Be careful with this one…. many specialists do not agree http://www.supermemo.com/articles/polyphasic.htm

  10. heres a cool link to help you wake up and fall asleep at the appropriate times so you wake up feeling refreshed instead of groggy and tired:

    http://sleepyti.me/

  11. How do the body recover and repair muscular and other tissues if it going direct to REM an skipping phase 3 – 4 of non-REM?

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