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...is able to sleep, they will spend a higher percentage of the night in REM sleep.<ref name="b" /> == Sleep-onset REM ==

...e period of non-REM sleep that normally characterizes the beginning of the sleep period.<ref name="eon" /> ...he REM peak during the dawn hours, which is done by brain to alleviate REM pressure. SOREM is also common for [[wikipedia:Hypersomnia|hypersomniac]] and [[wiki

A '''nap-only''' schedule is simply a sleep schedule without [[cores]]. ...would also be almost immediate, giving nearly negligible amounts of light sleep. This would allow up to about 1h50m of REM and SWS combined. Even so, this

...tness and keeps sleep pressures low. The four short cores may also promote sleep compression. ...arent on this schedule than on Triphasic or any other schedules with lower sleep totals.

...wever, adaptation isn't the goal, which distinguishes Naptation from other sleep schedules. ...ore starting Naptation, although this step isn't required, since low total sleep time eventually makes it easier to fall asleep.

Naps are short blocks of sleep, typically under 45 minutes. They are used to gain REM and alertness during ...sleep in the process. After roughly ~25m asleep, SWS, the deepest stage of sleep, will start to enter the nap. Thus, the odds of waking in SWS increase when

...daytime and evening cores. Other gaps are expected to be smaller, as sleep pressure is higher at night and in the morning. ...edia:Rapid_eye_movement_sleep|REM]] sleep. The daytime core contains mixed sleep stages.

'''Trimaxion''' (sometimes known as "Trimax") is a [[Template:Polyphasic Sleep Schedules|schedule]] that combines elements of [[Everyman]] and [[Dymaxion] ...ces the dawn core in [[Bimaxion]] with a 30-minute nap, reducing the total sleep to only 3 hours per day.

...daytime and evening cores. Other gaps are expected to be smaller, as sleep pressure is higher at night and in the morning. ...edia:Rapid_eye_movement_sleep|REM]] sleep. The daytime core contains mixed sleep stages.

...l sleep is below the minimum threshold for long-term sustenance (~4h total sleep), and should not be attempted by average sleepers. ...ration, and a 90 m duration is often mistaken for a nap outside polyphasic sleep's context.

Sleep and wakefulness are regulated by a number of neurotransmitters, as well as ...ifferent [[Neurons]] and [[Neurotransmitters]] promote different states of sleep and wakefulness. They are therefore categorised based on state-specific [[D

'''Sevamayl''' is a highly [[Flexing|flexible]] [[Template:Polyphasic Sleep Schedules|schedule]] derived from [[Everyman]] schedules<ref name="polynet" ...a rigid Everyman schedule, the brain slowly becomes accustomed to a lower sleep total and a napping habit. It then becomes possible to start [[flexing]] th

...nd 4 [[naps]] to be scheduled each day. At 2 hours and 50 minutes of total sleep, it is an extremely difficult schedule and very few have been able to adapt ...apid_eye_movement_sleep|light sleep]]. However, unlike on [[E3]], the core sleep is simply not long enough to cover an average 90-120 minute SWS requirement

...lar and up-to-date model of polyphasic [[Template:Adaptation to Polyphasic Sleep|adaptation]] at present, which was developed by the polyphasic community. ...which are based on a similar mechanisms to Segmented sleep. [[Monophasic]] sleep became popular relatively recently, after the industrial revolution ''[cita

...mpts at the schedule ending in failure, since it does not meet the minimum sleep need for the majority of people. ...p. It was first revealed in a [https://everything2.com/title/Uberman%2527s+Sleep+Schedule post] on everything2.com in 2000. It was further elaborated on in

E1 is the first [[Special:MyLanguage/Template:Polyphasic Sleep Schedules|schedule]] in the [[Special:MyLanguage/Everyman|Everyman]] line, ...e/sleep_presure|sleep pressure]] generated from a shortened nocturnal core sleep.

...e schedule]], with two cores and two naps.<ref name="polysoc" /> The total sleep of DC2 is around 5 to 5.5 hours. With 2 core sleeps placed around the [[Circadian sleep peaks|peaks]] and 2 naps in the day, DC2 is similar to [[E3#Extended|E3-ext

E1 is the first [[Special:MyLanguage/Template:Polyphasic Sleep Schedules|schedule]] in the [[Special:MyLanguage/Everyman|Everyman]] line, ...e/sleep_presure|sleep pressure]] generated from a shortened nocturnal core sleep.

The first [[Template:Polyphasic Sleep Schedules|schedule]] in the [[Everyman]] line, which contains a long [[Core ...use there is more sleep pressure generated from a shortened nocturnal core sleep.

...mpts at the schedule ending in failure, since it does not meet the minimum sleep need for the majority of people. ...p. It was first revealed in a [https://everything2.com/title/Uberman%2527s+Sleep+Schedule post] on everything2.com in 2000. It was further elaborated on in

...asic schedule, you will experience crippling [[wikipedia:Sleep_deprivation|sleep deprivation]] and most likely never adapt, wasting weeks or months of your == Sleep stages ==

...scheme of polyphasic schedules, E3 has 1 [[Special:MyLanguage/Cores|core]] sleep and 3 [[Special:MyLanguage/naps|naps]].<ref name="pd" /> ...al:MyLanguage/Uberman|Uberman]]. E3 was proposed as a way to adapt to less sleep more easily, while being more in sync with normal daily life without the ne

...asic schedule, you will experience crippling [[wikipedia:Sleep_deprivation|sleep deprivation]] and most likely never adapt, wasting weeks or months of your == Sleep stages == <!--T:2-->

...one's [[Special:MyLanguage/monophasic|monophasic]] baseline. Having little sleep reduction, these schedules offer other advantages. Compared to monophasic, ...[Special:MyLanguage/biphasic|biphasic]] schedules reduce relatively little sleep; nevertheless, they are not non-reducing for a person with an average monop

...most cases, it is necessary to adhere to ones schedule strictly. Changing sleep times may hinder repartitioning and significantly delay adaptation. However ...mmended to stay on an adapted schedule for an extra 3-4 weeks to make sure sleep fully stabilized before trying to flex. It takes two steps to start flexing

...scheme of polyphasic schedules, E3 has 1 [[Special:MyLanguage/Cores|core]] sleep and 3 [[Special:MyLanguage/naps|naps]].<ref name="pd" /> ...al:MyLanguage/Uberman|Uberman]]. E3 was proposed as a way to adapt to less sleep more easily, while being more in sync with normal daily life without the ne

...one's [[Special:MyLanguage/monophasic|monophasic]] baseline. Having little sleep reduction, these schedules offer other advantages. Compared to monophasic, ...[Special:MyLanguage/biphasic|biphasic]] schedules reduce relatively little sleep; nevertheless, they are not non-reducing for a person with an average monop

Spamayl is an abbreviation of "Sleep polyphasically as much as you like". It is one of the 4 "-amayl" flexible s ...rman]] and [[Dymaxion]], the intense sleep pressures makes the circadian [[sleep peaks]] less important than on other schedules. Experienced nappers can ach

...ing there is little to no sleep reduction involved, and with more flexible sleep timings. ...short nap. The longer daytime sleep also allows for a shortened nocturnal sleep. Usually, the wake gap from the end of the night core to the daytime core c

...nguage/Dual core|Dual Core]] schedule, which is the result of cutting some sleep from the second core of Segmented and the addition of one daytime nap to co ...-variants|Original variants]] section. The [[Special:MyLanguage/Polyphasic Sleep Discord|Discord]] community later slightly modified the schedule, to its cu

...ing there is little to no sleep reduction involved, and with more flexible sleep timings. .../nap|nap]]. The longer daytime sleep also allows for a shortened nocturnal sleep. Usually, the wake gap from the end of the night [[Special:MyLanguage/core|

...with two [[Special:MyLanguage/cores|cores]] at night, usually with a total sleep time close to one's personal [[Special:MyLanguage/monophasic|monophasic]] b ...In short photoperiods (fewer daylight hours), it has been shown that human sleep is naturally segmented<ref name="wehr" />.

...nguage/Dual core|Dual Core]] schedule, which is the result of cutting some sleep from the second core of Segmented and the addition of one daytime nap to co ...-variants|Original variants]] section. The [[Special:MyLanguage/Polyphasic Sleep Discord|Discord]] community later slightly modified the schedule, to its cu

...with two [[Special:MyLanguage/cores|cores]] at night, usually with a total sleep time close to one's personal [[Special:MyLanguage/monophasic|monophasic]] b ...In short photoperiods (fewer daylight hours), it has been shown that human sleep is naturally segmented<ref name="wehr" />.

...with two [[Special:MyLanguage/cores|cores]] at night, usually with a total sleep time close to one's personal [[Special:MyLanguage/monophasic|monophasic]] b ...In short photoperiods (fewer daylight hours), it has been shown that human sleep is naturally segmented<ref name="wehr" />.

...with two [[Special:MyLanguage/cores|cores]] at night, usually with a total sleep time close to one's personal [[Special:MyLanguage/monophasic|monophasic]] b ...In short photoperiods (fewer daylight hours), it has been shown that human sleep is naturally segmented<ref name="wehr" />.

...ge/naps|naps]] evenly spaced throughout the day, for a total of 2 hours of sleep. ...so applied to many other inventions of his. Fuller stated that "2 hours of sleep per day is plenty", claiming no ill effect from such an intense schedule.

...with two [[Special:MyLanguage/cores|cores]] at night, usually with a total sleep time close to one's personal [[Special:MyLanguage/monophasic|monophasic]] b ...In short photoperiods (fewer daylight hours), it has been shown that human sleep is naturally segmented<ref name="wehr" />.

...ge/naps|naps]] evenly spaced throughout the day, for a total of 2 hours of sleep. ...so applied to many other inventions of his. Fuller stated that "2 hours of sleep per day is plenty", claiming no ill effect from such an intense schedule.

...eryman line. It consists of 2 naps and a [[Special:MyLanguage/Cores|core]] sleep of 4.5h (3 full cycles) by default.<ref name="pd" /> ...years, it has been a highly popular schedule, as it provides a significant sleep cut without being too inconvenient or difficult to adapt to.

...eryman line. It consists of 2 naps and a [[Special:MyLanguage/Cores|core]] sleep of 4.5h (3 full cycles) by default.<ref name="pd" /> ...years, it has been a highly popular schedule, as it provides a significant sleep cut without being too inconvenient or difficult to adapt to.

...out unexplored exotic sleep mechanisms and potential [[Template:Polyphasic Sleep Schedules|schedules]], which have few to none attempts so far. ...t cause the adaptation of brain to insertion light sleep at the end of the sleep blocks, which means it's likely possible to start getting refreshing/natura

...or by the 4.5h mark, adding sleep after it should allow more REM and light sleep to be gained, potentially easing the adaptation. However, during the adapta * more buffer sleep for younger (~18-19) individuals who might still be growing