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However, unlike most standard scheduling where a core sleep would make use of a multiple of the 90m sleep cycle, the standard reducing Siesta (6.5h total) utilizes a 5h core, because last 30  is likely to contain extra [https://en.wikipedia.org/wiki/Rapid_eye_movement_sleep REM] sleep. Based on the typical human sleep structure, it is expected that [https://en.wikipedia.org/wiki/Slow-wave_sleep SWS] would be almost, if not fully covered in the first 3 full cycles of sleep (4.5h). On [[Special:MyLanguage/monophasic|monophasic]] sleep, the REM cycles are often longer than 90m, so the 30m may also help with waking up after completed sleep cycles.

However, unlike most standard scheduling where a core sleep would make use of a multiple of the 90m sleep cycle, the standard reducing Siesta (6.5h total) utilizes a 5h core, because last 30  is likely to contain extra [[wikipedia:Rapid_eye_movement_sleep|REM]] sleep. Based on the typical human sleep structure, it is expected that [[wikipedia:Slow-wave_sleep|SWS]] would be almost, if not fully covered in the first 3 full cycles of sleep (4.5h). On [[Special:MyLanguage/monophasic|monophasic]] sleep, the REM cycles are often longer than 90m, so the 30m may also help with waking up after completed sleep cycles.

== Adaptation== <!--T:7-->

== Adaptation== <!--T:7-->