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  • Good question!

    I'd say it's a variant. But for sure its ultra endurance.

    It's easy to see why EF came to it, it reduces fatigue a lot.

  • I think I would deal better with 5hrs sleep every 24hrs than 10hrs every 48hrs but I don’t plan on finding out any time soon!

  • Maybe, but if that 5hrs was in your timed 'stage' you'd be throwing time away.

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