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{{TNT|DC3}}
Dual Core 3, or DC3, is the third dual core schedule, following the sequence of the Dual Core family with further sleep reduction in both core sleeps, both of which now only have 1 full cycle, with the addition of the nap around sunrise hours. The total sleep of the whole schedule is 4h, which is also the bare '''minimum sleep threshold''' that an average person (~8h monophasic) should be able to adapt to.{{TNT|DC3}}
== Mechanism ==
== Mechanism ==
The core sleep in the SWS peak as usual will heavily favor SWS, while the second core sleep will contain some more SWS and invite some REM sleep as well. The primary reason is that the first core will not be able to cover all SWS requirements (assuming ~90m SWS need each day) and the second core will be required to complete the task. Given the low total sleep, to ensure quality SWS, the first core always has to lie within the SWS peak. The remaining naps, being in the daytime hours will most definitely store a lot of REM sleep to support sufficient REM baseline, ideally. However, the last nap, located in mid-afternoon hours (~4 PM), may not always guarantee REM sleep. REM sleep will hugely be accumulated in the first nap around dawn, which will generate a lot of vivid and intense dreaming when adapting.
The core sleep in the SWS peak as usual will heavily favor SWS, while the second core sleep will contain some more SWS and invite some REM sleep as well. The primary reason is that the first core will not be able to cover all SWS requirements (assuming ~90m SWS need each day) and the second core will be required to complete the task. Given the low total sleep, to ensure quality SWS, the first core always has to lie within the SWS peak. The remaining naps, being in the daytime hours will most definitely store a lot of REM sleep to support sufficient REM baseline, ideally. However, the last nap, located in mid-afternoon hours (~4 PM), may not always guarantee REM sleep. REM sleep will hugely be accumulated in the first nap around dawn, which will generate a lot of vivid and intense dreaming when adapting.
