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{{TNT|Triphasic}}

{{TNT|Triphasic}}

== Adaptation Mechanics ==

== Mechanism ==

Triphasic is the original and most commonly known schedule in the Tri Core family, which consists of only 3 core sleeps and no naps. Leif Weaver, the first polyphasic sleeper with a successful adaptation to Triphasic, remained on the schedule for several months. This schedule was known to be equidistantly scheduled, with a 6.5h wake gap between each core sleep. Because of the structure, Triphasic can be considered a more extreme Segmented schedule, with a long siesta. Despite the origin of the schedule, equidistant sleep is not required, although '''no more than 8h''' wake gap between any core sleep is recommended. For the daytime core and with the recorded successes in Triphasic (except Triphasic-extended), it is possible to stay awake for up to '''9 hours''' from the daytime core to the core around SWS peak hours, while the wake gap between the 2 other cores around night hours tends to be smaller.

Triphasic is the original and most commonly known schedule in the Tri Core family, which consists of only 3 core sleeps and no naps. Leif Weaver, the first polyphasic sleeper with a successful adaptation to Triphasic, remained on the schedule for several months. This schedule was known to be equidistantly scheduled, with a 6.5h wake gap between each core sleep. Because of the structure, Triphasic can be considered a more extreme Segmented schedule, with a long siesta. Despite the origin of the schedule, equidistant sleep is not required, although '''no more than 8h''' wake gap between any core sleep is recommended. For the daytime core and with the recorded successes in Triphasic (except Triphasic-extended), it is possible to stay awake for up to '''9 hours''' from the daytime core to the core around SWS peak hours, while the wake gap between the 2 other cores around night hours tends to be smaller.

When adaptation first begins, SWS will resume in all core sleeps as the normal flow of a normal sleep cycle, where light sleep begins, then SWS continues and then finally REM sleep finishes the cycle. In the second core, SWS pressure may be weaker than REM pressure, allowing for some REM sleep to get in this core. However, as adaptation progresses, both SWS and REM deprivation symptoms are likely to manifest because of the extreme repartitioning of these vital sleep stages into each core sleep to follow the homeostatic and circadian pressures. This will make the first core very difficult to wake from, because of prevalent SWS wakes, which was reported to result in oversleep until the second core. During the whole adaptation, the daytime core is likely the easiest to handle, and can shorten to '''as low as 60m''' after adaptation. Because of the high repartitioning of sleep stages on merely 4.5h total sleep, Triphasic offers a lot of sleep reduction along with a high level of sleep compression.

When adaptation first begins, SWS will resume in all core sleeps as the normal flow of a normal sleep cycle, where light sleep begins, then SWS continues and then finally REM sleep finishes the cycle. In the second core, SWS pressure may be weaker than REM pressure, allowing for some REM sleep to get in this core. However, as adaptation progresses, both SWS and REM deprivation symptoms are likely to manifest because of the extreme repartitioning of these vital sleep stages into each core sleep to follow the homeostatic and circadian pressures. This will make the first core very difficult to wake from, because of prevalent SWS wakes, which was reported to result in oversleep until the second core. During the whole adaptation, the daytime core is likely the easiest to handle, and can shorten to '''as low as 60m''' after adaptation. Because of the high repartitioning of sleep stages on merely 4.5h total sleep, Triphasic offers a lot of sleep reduction along with a high level of sleep compression.