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{{TNT|tooshort}}

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{{TNT|E4}}

{{TNT|E4}}

Everyman 4, or E4, is the '''third''' [[Everyman]] schedule in the Everyman polyphasic series.<ref>Puredoxyk (2013). [https://www.amazon.com/Ubersleep-Nap-Based-Schedules-Polyphasic-Lifestyle-ebook/dp/B00E1XAD7W ''Ubersleep: Nap-Based Sleep Schedules and the Polyphasic Lifestyle'']. Retrieved 20-11-2020.</ref> Even though the structure of the schedule is very short, the longest sleep block being only 90m, E4 now has the '''shortest core length''' and is one of the final steps (the other being [[E5]]) before the transition to Uberman. It consists of 4 [[naps]] to be scheduled each day, and each nap lasts for 20m, as usual.

Everyman 4, or E4, is the '''third''' [[Everyman]] schedule in the Everyman polyphasic series.<ref>Puredoxyk (2013). ''Ubersleep: Nap-Based Sleep Schedules and the Polyphasic Lifestyle''.</ref> Even though the structure of the schedule is very short, the longest sleep block being only 90m, E4 now has the '''shortest core length''' and is one of the final steps (the other being [[E5]]) before the transition to Uberman. It consists of 4 [[naps]] to be scheduled each day, and each nap lasts for 20m, as usual.

==Origin==

==Origin==