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DC1 is also considered an '''ideal polyphasic schedule''' to attempt, given his total sleep, which ranges from ~'''5.3-6.3h''' and is very friendly for beginners.
DC1 is also considered an '''ideal polyphasic schedule''' to attempt, given his total sleep, which ranges from ~'''5.3-6.3h''' and is very friendly for beginners.
== Mechanism ==
== Mechanism ==
DC1's mechanisms largely carry on from the original Segmented sleep. Each core sleep is located around each respective sleep peak to further consolidate the overall sleep structure. The first core may remain around the same length or some slight reduction compared to the first core of Segmented sleep, to preserve the amount of SWS, while the second core is reduced in length so that REM can be alleviated in the nap. There have been some changes in DC1's scheduling proposals over the years, and now the standard variant is recommended to have a core sleep of 3h20m and 1h40m respectively. The cycle length does not follow the common 90m rules mostly because of the effects of sleep peaks, which ''may'' lengthen the cycles of the dominant sleep stage in the peak (e.g, longer REM cycle around REM peak and longer SWS cycle around SWS peak).
DC1's mechanisms largely carry on from the original Segmented sleep. Each core sleep is located around each respective sleep peak to further consolidate the overall sleep structure. The first core may remain around the same length or some slight reduction compared to the first core of Segmented sleep, to preserve the amount of SWS, while the second core is reduced in length so that REM can be alleviated in the nap. There have been some changes in DC1's scheduling proposals over the years, and now the standard variant is recommended to have a core sleep of 3h20m and 1h40m respectively. The cycle length does not follow the common 90m rules mostly because of the effects of sleep peaks, which ''may'' lengthen the cycles of the dominant sleep stage in the peak (e.g, longer REM cycle around REM peak and longer SWS cycle around SWS peak).
