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Uberman is the most widely known form of polyphasic sleep, with its appeal being the large amount of extra wake time it provides. For this reason, it is also one of the most widely attempted schedules by many first-time polyphasers. However, the adaptation success for this schedule is few and far between, with virtually all attempts at the schedule ending in failure, since it does not meet the minimum sleep need for the majority of people.  

Uberman is the most widely known form of polyphasic sleep, with its appeal being the large amount of extra wake time it provides. For this reason, it is also one of the most widely attempted schedules by many first-time polyphasers. However, the adaptation success for this schedule is rare, with most attempts at the schedule ending in failure, since it does not meet the minimum sleep need for the majority of people.  

== Origins== <!--T:2-->

== Origins== <!--T:2-->

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Living on this schedule requires constant maintainence of a delicate balance between REM and SWS pressures. Throughout each waking block, REM and SWS pressures build up gradually to very high levels and drops to more withstandable levels during the course of a nap, which would primarily contain the sleep type with higher pressure. Then, this reverses the ratio between REM and SWS pressures, so that the other sleep type dominates the following nap. It is also likely to experience mixed-stage naps, with both REM and SWS in the body’s effort to mitigate high sleep pressure.

Living on this schedule requires constant maintainence of a delicate balance between REM and SWS pressures. Throughout each waking block, REM and SWS pressures build up gradually to very high levels and drops to more withstandable levels during the course of a nap, which would primarily contain the sleep type with higher pressure. Then, this reverses the ratio between REM and SWS pressures, so that the other sleep type dominates the following nap. It is also likely to experience mixed-stage naps that resemble mini-cycles, with both REM and SWS in the body’s effort to mitigate high sleep pressure.

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It is important to realize that willpower alone is not enough for adapting to this schedule. With SWS deprivation, willpower simply will not help you. People have reported unconsciously disabling or ignoring electronic devices and performing other actions necessary to go back to sleep, with no recall whatsoever afterwards. People have slept through noise-based alarms, flashing lights, loud fans, and repeated maximum-voltage shocks from a [[Special:MyLanguage/Pavlok|Pavlok]]. It is therefore very useful, if not necessary, to have constant human supervision to make sure you are awake when you are supposed to be. To date, most people, who adapted to this schedule, had the help of another human. Puredoxyk was woken up by Psuke and Youtuber [[Special:MyLanguage/Aeia|Aeia]] was woken up by her twin sister during her adaptation. Without the help of other people, it is virtually impossible that you would ever adapt to this schedule.

It is important to realize that willpower alone is not enough for adapting to this schedule. With SWS deprivation, willpower simply will not help you. People have reported unconsciously disabling or ignoring electronic devices and performing other actions necessary to go back to sleep, with no recall whatsoever afterwards. People have slept through noise-based alarms, flashing lights, loud fans, and repeated maximum-voltage shocks from a [[Special:MyLanguage/Pavlok|Pavlok]]. It is therefore very useful, if not necessary, to have constant human supervision to make sure you are awake when you are supposed to be. To date, most people, who adapted to this schedule, had the help of another human. Puredoxyk was woken up by Psuke and Youtuber [[Special:MyLanguage/Aeia|Aeia]] was woken up by her twin sister during her adaptation. Without the help of other people, it is very unlikely that you would ever adapt to this schedule.

===Delaying the SWS rebound=== <!--T:16-->

===Delaying the SWS rebound=== <!--T:16-->

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Both Steve Pavlina’s blogs and Puredoxyk’s book ''Ubersleep'' greatly understated the schedule’s difficulty. Puredoxyk adapted to the schedule in times of extreme stress at university, and was unable to adapt to it again afterwards. Nevertheless, people tend to overestimate their chances of succeeding. There has been no detailed accounts of someone adapting to the schedule in more recent times. However, it is also worth noting that the [[Polyphasic Sleep Discord|Discord]] community has been almost universally discouraging Uberman attempts, and few serious attempts have been made in the past few years, which may have contributed to the lack of success.

Both Steve Pavlina’s blogs and Puredoxyk’s book ''Ubersleep'' understated the schedule’s difficulty. Puredoxyk adapted to the schedule in times of extreme stress at university, and was unable to adapt to it again afterwards. Nevertheless, people tend to overestimate their chances of succeeding. There has been no detailed accounts of someone adapting to the schedule in more recent times. However, it is also worth noting that the [[Polyphasic Sleep Discord|Discord]] community has been almost universally discouraging Uberman attempts, and few serious attempts have been made in the past few years, which may have contributed to the lack of success.

You may see many logs of people attempting this schedule, but most of them ends in just a few days, presumably because the author overslept and gave up. Those failures are often used to discredit polyphasic sleep altogether, without ever considering more reasonable schedules.

You may see many logs of people attempting this schedule, but most of them ends in just a few days, presumably because the author overslept and gave up. Those failures are often used to discredit polyphasic sleep altogether, without ever considering more reasonable schedules.

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As with other nap-only schedules, Uberman impedes the clearance of brain waste via the [[Wikipedia:glymphatic system|glymphatic system]], because the longest continuous sleep block is only 20 minutes. It is therefore currently unknown as to how this schedule can be maintained, especially by those with average SWS needs. As such, only those with significantly lower vital sleep requirements should attempt Uberman.

As with other nap-only schedules, Uberman impedes the clearance of brain waste via the [[Wikipedia:glymphatic system|glymphatic system]], because the longest continuous sleep block is only 20 minutes. It is therefore currently unknown as to how this schedule can be maintained, especially by those with average SWS needs.  

==Variants== <!--T:29-->

==Variants== <!--T:29-->