Changes

DC1 is a [[Special:MyLanguage/Schedules|schedule]] which logically follows [[Special:MyLanguage/Segmented|Segmented sleep]], shortening its [[Special:MyLanguage/Cores|core]] (usually the second one) and adding a [[Special:MyLanguage/Naps|nap]] to compensate for the lost REM.

DC1 is a [[Special:MyLanguage/Schedules|schedule]] which logically follows [[Special:MyLanguage/Segmented|Segmented sleep]], shortening its [[Special:MyLanguage/Cores|core]] (usually the second one) and adding a [[Special:MyLanguage/Naps|nap]] to compensate for the lost REM.

=== Swapped cores ===

=== Swapped cores ===

In this variation the first core is swapped with the second one.

In this variation the first core is swapped with the second one. The difficulty is also higher, because of the possible SWS wakes and the need for SWS splitting, which is easier for either experienced polyphasic sleepers, or