4 Added notable quote to old question https://skeptics.meta.stackexchange.com/questions/3307/what-should-be-done-about-properly-answered-non-notable-old-questions
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Cutting sleep down to 6, or 4, or 2 hours per day sounds fantastic. It also sounds like something that should have evolved naturally if it were possible. Has

From the Polyphasic Society:

Humans are naturally polyphasic sleepers. Depending on the culture, humans will either have segmented night sleep, or nap throughout the day.
The reason humans sleep polyphasically is to improve sleep density, sleep stability, and for the warriors out there decrease overall time asleep. Humans need sleep, but only certain stages of sleep are important for us to recover each night.

Has any serious research been done into polyphasic sleep and its side effects?

Polyphasic sleepPolyphasic sleep involves sleeping more than once per day at regular intervals and for regular amounts of time. There are different specific regiments, but the overall goal is usually to reduce the total time spent sleeping.

Cutting sleep down to 6, or 4, or 2 hours per day sounds fantastic. It also sounds like something that should have evolved naturally if it were possible. Has any serious research been done into polyphasic sleep and its side effects?

Polyphasic sleep involves sleeping more than once per day at regular intervals and for regular amounts of time. There are different specific regiments, but the overall goal is usually to reduce the total time spent sleeping.

Cutting sleep down to 6, or 4, or 2 hours per day sounds fantastic. It also sounds like something that should have evolved naturally if it were possible.

From the Polyphasic Society:

Humans are naturally polyphasic sleepers. Depending on the culture, humans will either have segmented night sleep, or nap throughout the day.
The reason humans sleep polyphasically is to improve sleep density, sleep stability, and for the warriors out there decrease overall time asleep. Humans need sleep, but only certain stages of sleep are important for us to recover each night.

Has any serious research been done into polyphasic sleep and its side effects?

Polyphasic sleep involves sleeping more than once per day at regular intervals and for regular amounts of time. There are different specific regiments, but the overall goal is usually to reduce the total time spent sleeping.

3 edited body
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Cutting sleep down to 6, or 4, or 2 hours per day sounds fantastic; itfantastic. It also sounds like something that should have evolved naturally if it were possible. Has any serious research been done into polyphasic sleep and its side effects?

Polyphasic sleep involves sleeping more than once per day at regular intervals and for regular amounts of time. There are different specific regiments, but the overall goal is usually to reduce the total time spent sleeping.

Cutting sleep down to 6, or 4, or 2 hours per day sounds fantastic; it also sounds like something that should have evolved naturally if it were possible. Has any serious research been done into polyphasic sleep and its side effects?

Polyphasic sleep involves sleeping more than once per day at regular intervals and for regular amounts of time. There are different specific regiments, but the overall goal is usually to reduce the total time spent sleeping.

Cutting sleep down to 6, or 4, or 2 hours per day sounds fantastic. It also sounds like something that should have evolved naturally if it were possible. Has any serious research been done into polyphasic sleep and its side effects?

Polyphasic sleep involves sleeping more than once per day at regular intervals and for regular amounts of time. There are different specific regiments, but the overall goal is usually to reduce the total time spent sleeping.

2 added 229 characters in body
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Cutting sleep down to 6, or 4, or 2 hours per day sounds fantastic; it also sounds like something that should have evolved naturally if it were possible. Has any serious research been done into polyphasic sleep and its side effects?

Polyphasic sleep involves sleeping more than once per day at regular intervals and for regular amounts of time. There are different specific regiments, but the overall goal is usually to reduce the total time spent sleeping.

Cutting sleep down to 6, or 4, or 2 hours per day sounds fantastic; it also sounds like something that should have evolved naturally if it were possible. Has any serious research been done into polyphasic sleep and its side effects?

Cutting sleep down to 6, or 4, or 2 hours per day sounds fantastic; it also sounds like something that should have evolved naturally if it were possible. Has any serious research been done into polyphasic sleep and its side effects?

Polyphasic sleep involves sleeping more than once per day at regular intervals and for regular amounts of time. There are different specific regiments, but the overall goal is usually to reduce the total time spent sleeping.

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