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{{TNT|E1}}
{{TNT|E1}}
The first [[Template:Polyphasic Sleep Schedules|schedule]] in the [[Everyman]] line, which contains a long [[Cores|core]], usually with a length of 6 hours, and a short [[Naps|nap]]. However, E1 is mostly known as a [[biphasic]] schedule, rather than an Everyman schedule because it only has two sleeps, and the overall concept resembles [[Siesta]]. <ref>[https://www.polyphasic.net/schedules/everyman/ polyphasic.net]. Retrieved 20-11-2020.</ref>
The first [[Template:Polyphasic Sleep Schedules|schedule]] in the [[Everyman]] line, which contains a long [[Cores|core]], usually with a length of 6 hours, and a short [[Naps|nap]]. However, E1 is mostly known as a [[biphasic]] schedule, rather than an Everyman schedule because it only has two sleeps, and the overall concept resembles [[Siesta]]. <ref>[https://www.polyphasic.net/schedules/everyman/ polyphasic.net]. Retrieved 20 November 2020.</ref>
== Origin==
== Origin==
E1 was first created as part of the <u>Formula</u> by Puredoxyk in her book [[Ubersleep]].
E1 was first created as part of the <u>Formula</u> by Puredoxyk in her book [[Ubersleep]], as the mildest version of the Everyman schedule line. It can be viewed as a variant of the traditional napping pattern in many cultures, though the nap is usually longer in those circumstances (perhaps more similar to [[Siesta]]). Today, it is one of the most commonly recommended schedules to beginners.
==Mechanism==
==Mechanism==
Everyman 1, or E1, is part Everyman and part Biphasic, it trades one cycle from [[monophasic]] for a single nap in the day. Because of the sleep cut from the core, sleep deprivation will gradually build up, and enable sleepers to eventually fall asleep in the nap. This process is likely a lot faster than learning to nap on a non-reduced Biphasic schedule (i.e., [[BiphasicX|Biphasic-X]]), because there is more sleep pressure generated from a shortened nocturnal core sleep.
Everyman 1, or E1, is part Everyman and part Biphasic, it trades one cycle from [[monophasic]] for a single nap in the day. Because of the sleep cut from the core, sleep deprivation will gradually build up, and enable sleepers to eventually fall asleep in the nap. This process is likely a lot easier than learning to nap on a non-reduced Biphasic schedule (i.e., [[BiphasicX|Biphasic-X]]), because there is more sleep pressure generated from a shortened nocturnal core sleep.
It was originally thought that the nap on E1 should primarily contain REM to ensure a successful adaptation. However, according to the Polyphasic Survey 2018<ref>https://polyphasic.net/wp-content/uploads/2019/03/Polysurvey-2018-results-and-analysis.pdf</ref>, only '''50% of adapted E1 sleepers managed to get REM in their nap'''. This shows that the afternoon nap is not guaranteed to deliver REM sleep. Based on the data above, it still seems possible to complete the adaptation to E1 with no REM in the nap.
==Adaptation==
==Adaptation==
* in some rarer cases, frequent oversleeping from the nap. This may suggest that these sleepers have a stronger tendency for a daytime core rather than a short nap.
* in some rarer cases, frequent oversleeping from the nap. This may suggest that these sleepers have a stronger tendency for a daytime core rather than a short nap.
Most of these issues, however, can be attributed to sleep debt prior to starting E1 adaptation, poor discipline, poor alarm system, or wrong assessment of personal monophasic sleep need (higher sleep need than expected which increases the difficulty of E1 to great magnitudes).
Most of these issues, however, can be attributed to sleep debt prior to starting E1 adaptation, poor discipline, poor alarm system, or underestimation of personal monophasic sleep need.
It is worth noting that the failure to nap after several weeks (despite adhering to the schedule by the minute and all methods have been used to facilitate napping) may be attributed to the [[Wikipedia:Basic rest–activity cycle|BRAC]] in scheduling. Since sleep pressure on E1 is generally lower than on other schedules with less total sleep, ideal nap times in which the body feel drowsiness are only at a few certain spots in the day. This can causes the nap to work poorly because the body only tired either before or after nap. The problem would be resolved if the nap is moved to those spots.
It is worth noting that the failure to nap after several weeks (despite adhering to the schedule by the minute and all methods have been used to facilitate napping) may be attributed to the [[Wikipedia:Basic rest–activity cycle|BRAC]] in scheduling. Since sleep pressure on E1 is generally lower than on other schedules with less total sleep, ideal nap times in which the body feel drowsiness are only at a few certain spots in the day. This can causes the nap to work poorly because the body only tired either before or after nap. The problem would be resolved if the nap is moved to those spots.
Another common issue is the rather common [[stage 3/4 loop]] for beginners. This typically happens when a sleeper cannot complete the adaptation and get stuck in [[4-Stages Adaptation Model#Stage 4|Stage 4]] where, near the end of adaptation, the sleeper feels inconsistently adapted, excessively tired at certain times of the day, or [[sleep inertia]] upon wakes. Because E1 likely has sufficient total sleep to gain all the needed SWS, being trapped in Stage 4 is most likely owing to consistently missing out on REM.
The overall time it takes to adapt to E1 is anywhere between '''4 and 10 weeks'''. With all the available information, E1's difficulty has been adjusted to Moderate from Easy to reflect a more accurate picture of this adaptation.
The average time it takes to adapt to E1 is anywhere between '''4 and 10 weeks'''. The 10 weeks upper boundary is significantly higher than with many other schedules, because the process of repartitioning is slower on E1 than on many other schedules. As such, With all the available information, E1's difficulty has been adjusted to Moderate from Easy to reflect a more accurate picture of this adaptation.
After adapting to E1, it is possible to proceed to E2 and E3 as parts of the Everyman [[gradual adaptation]] route.
==Lifestyle consideration==
==Lifestyle consideration==
