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The [[Special:MyLanguage/Polyphasic Discord|Polyphasic Discord Community]] has discovered some possible mechanics of Segmented sleep. The basis of Segmented sleep is the sleep peaks. During the early hours of the night (~21-24), when natural melatonin secretion starts, SWS can be gained efficiently. In EEG readings of adapted sleepers, the first core sleep is usually dense in SWS, whereas the second core sleep contains  primarily [https://en.wikipedia.org/wiki/Rapid_eye_movement_sleep REM] sleep. The divided core sleeps are thus denser in vital sleep stages, and allow for a small cut in total sleep with stable sleep times. Naps in the day are often not required due to segmented's longer cores perserving light sleep in addition to the the nightly core gap reducing the amount of time awake between the cores during the day.

The [[Special:MyLanguage/Polyphasic Discord|Polyphasic Discord Community]] has discovered some possible mechanics of Segmented sleep. The basis of Segmented sleep is the sleep peaks. During the early hours of the night (~21-24), when natural melatonin secretion starts, SWS can be gained efficiently. In EEG readings of adapted sleepers, the first core sleep is usually dense in SWS, whereas the second core sleep contains  primarily [[wikipedia:Rapid_eye_movement_sleep|REM]] sleep. The divided core sleeps are thus denser in vital sleep stages, and allow for a small cut in total sleep with stable sleep times. Naps in the day are often not required due to segmented's longer cores perserving light sleep in addition to the the nightly core gap reducing the amount of time awake between the cores during the day.

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[[File:Segmented Uneven.png|right|thumb|A Segmented variant with uneven core lengths]]

[[File:Segmented Uneven.png|right|thumb|A Segmented variant with uneven core lengths]]

This variant, which is rarely attempted, has cores of slightly different lengths. These variants allows for slightly more time awake, may be easier to schedule, without a significantly harder adaptation. Other plausible combinations include <u>3-3.5</u>, or even <u>4.5-2.5</u> and <u>5-1.5</u>. It would be helpful to know the [https://en.wikipedia.org/wiki/Slow-wave_sleep SWS] and REM requirements before picking any of these variants, though.

This variant, which is rarely attempted, has cores of slightly different lengths. These variants allows for slightly more time awake, may be easier to schedule, without a significantly harder adaptation. Other plausible combinations include <u>3-3.5</u>, or even <u>4.5-2.5</u> and <u>5-1.5</u>. It would be helpful to know the [[wikipedia:Slow-wave_sleep|SWS]] and REM requirements before picking any of these variants, though.

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