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→Non-reducing variant
=== Non-reducing variant ===
=== Non-reducing variant ===
[[File:E1 Non-reducing.png|center|thumb|A sample non-reducing E1 setup]]
[[File:E1 Non-reducing.png|center|thumb|A sample non-reducing E1 setup]]
The difference between this and the extended variant is that there is absolutely '''no sleep reduction''' on non-reducing variant regardless of monophasic baseline, while there can still be a certain amount of sleep reduction on extended versions (e.g, people with ~9h monophasic baseline gain ~60-70m of extra wake time each day on E1-extended with 7.5h core as mentioned). Those who should choose this variant are teenagers or those who prefer to avoid sleep reduction for a period of time. As with a non-reducing biphasic schedule, E1 does offer various tools to play with. The nap can be anywhere from '''10m to ~30m''' since '''E1 is focused on a short daytime nap''' (<u>not to be confused with Siesta</u>, whose daytime sleep is often long). The nap duration can change from day to day, and can start at different hours each day if desired. Similarly, the core duration has no fixed duration and sleepers should rely on natural wakes for both sleep blocks. This scheduling variant can be consistent everyday (sleeping by the minute), or slightly different sleep times each day from day 1 of adaptation (it is recommended that the core should should not be more flexible than a 1h window when first adapting, meaning the window should be limited to sleeping ~1h later or earlier than the original time, to keep a consistent circadian rhythm).
The difference between this and the extended variant is that there is absolutely '''no sleep reduction''' on non-reducing variant regardless of monophasic baseline, while there can still be a certain amount of sleep reduction on extended versions (e.g, people with ~9h monophasic baseline gain ~60-70m of extra wake time each day on E1-extended with 7.5h core as mentioned). Those who should choose this variant are teenagers, people with very high sleep requirements, people who love flexibility of sleep or those who prefer to avoid sleep reduction for a period of time.
Recently, there has been some success of this variant with very young teenagers who pursue a safe and easiest way to partake in polyphasic sleeping with the option for a daytime nap to train napping skills. This usually serves as a groundwork for them to move to a more difficult schedule when time allows.
As with a non-reducing biphasic schedule, E1 does offer various tools to play with. The nap can be anywhere from '''10m to ~30m''' since '''E1 is focused on a short daytime nap''' (<u>not to be confused with Siesta</u>, whose daytime sleep is often long). The nap duration can change from day to day, and can start at different hours each day if desired. Similarly, the core duration has no fixed duration and sleepers should rely on natural wakes for both sleep blocks. This scheduling variant can be consistent everyday (sleeping by the minute), or slightly different sleep times each day from day 1 of adaptation (it is recommended that the core should should not be more flexible than a 1h window when first adapting, meaning the window should be limited to sleeping ~1h later or earlier than the original time, to keep a consistent circadian rhythm).
Recently, there has been some success of this variant with very young teenagers who pursue a safe and easiest way to partake in polyphasic sleeping with the option for a daytime nap to train napping skills. This usually serves as a groundwork for them to move to a more difficult schedule when time allows. A great advantage non-reducing E1 has over its counterpart Siesta is that the short daytime nap is very easy to schedule around meal times and social events, and usually not long enough to avoid being interrupted by daytime commitments.
== Lifestyle consideration ==
== Lifestyle consideration ==
