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Facts And Myths For Polyphasic Sleep

Polyphasic sleep, also called the Uberman Sleep Schedule refers to that kind of sleep that is distributed in 6 portions equally throughout the entire day which means that a person can reduce the typical 8 hour schedule and compile it into a much shorter one.


Polyphasic sleep

Based on the latest researches made in this field, polyphasic sleep can be defined as a variant of sleep that is exactly the opposite of monophasic sleep. Monophasic sleep is characterized by the fact that the person sleeps in a single block of approximately 8 hours during a cycle of 24 hours. During polyphasic sleep a person sleeps around 6 times throughout the day and night that a duration of at least 15 minutes. This can happen only if the brain is trained enough to switch to sleep cycle and with a lot of practice, of course. Many people experience great difficulties at first,but after a couple of weeks they start to feel better and to get proper sleep.


To sleep or not to sleep polyphasically – this is the question

Having presented polyphasic sleep as seen by its supporters, let us have a look at its physiological and health implications. EEG measurements indicate that humans are basically biphasic. There is a single powerful drive to sleep during a subjective night, and a single dip in alertness in the middle of the subjective day. EEG measurements are confirmed by many other physiological variables such as temperature measurements, cortisol levels in the blood, melatonin level in the saliva, levels of other hormones, blood pressure, gene transcription, immune cell activity, subjective alertness, motor activity, there is no single recommended dose of sleep for everyone.


Paradoxically, not are you even likely to choose polyphasic sleep if you want to maximize the time spent in the waking state! Only when approaching substantial sleep deprivation can polyphasic schedule be superior to biphasic schedule in that respect.


Some people like firefighters or emergency surgeons may sacrifice their sleep for the sake of others. Most of the remaining population though will optimize their sleep for best health and best creative performance during the waking time. Polyphasic sleep is definitely not the answer to such optimization goals.



  1. Healthy humans cannot entrain polyphasic sleep without a degree of sleep deprivation. It is not possible to sleep polyphasically and retain one's maximum creativity, alertness, and health in the long run.
  2. Whoever claims to be on a perpetual polyphasic schedule must be either suffering from a sleep disorder or is not presenting accurate results.
  3. If you still plan your own polyphasic experiment despite its harmful effects on health and your mental performance
  4. If you want to maximize the time spent in a more productive way you should how you can improve the 8 hour traditional schedule.

You may ask yourself is choosing to sleep polyphasically is the right thing to do and what are the health implications that this type of sleep might have over your body. Even if we think that polyphasic sleep can’t help you to reduce the number of hours needed for sleep, you can try it at least as an experiment at first in order to see if it’s the right thing for you.





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