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Polyphasic sleep - what is it about?
If we sleep 6-8 hours a day and watch the rest of the day, we sleep in the so-called. monophasic mode, so we only sleep once every 24 hours. All other sleep regimes, including afternoon or afternoon siesta, are called polyphase.
Scientists, as well as supporters of polyphasic sleep, claim that it is a more advantageous sleep mode because it uses maximum sleep time to regenerate the body. Thus, we can sleep less (shorter) while feeling more relaxed.
How is it possible? After all, most of us do not feel sufficiently sleepy after 6 hours of sleep. To understand the mechanism of polyphasic sleep, we need to look at the sleep process in general. The sleep cycle consists of several stages. First we fall asleep while slowly reducing the number of stimuli that affect us. Brain waves go to alpha (8-13 Hz). Our brain waves calm down slowly and go into theta (4-7 Hz) mode. We sleep and we have no contact with the reality around us. Another stage is deep sleep (delta waves) and then we return through the phases to the stage where dreams are formed (REM phase). When the REM phase is over, the entire cycle is repeated again - in the case of classical sleep, several times during one night, the longer we sleep, the shorter the sleep phase and the longer REM phase. It is also interesting that if we wake up close to the REM phase, we will be almost ready for action, but if we wake up in the deep sleep phase, we will be very difficult to take.
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