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Leonidas Athanasopoulos's insight:
Some ultra runners may find it useful!Image may be NSFW.
Clik here to view.
Clik here to view.

Political leaders often have to get by on a few hours’ sleep. How do they manage to function with such little rest?
Leonidas Athanasopoulos's insight:
Some ultra runners may find it useful!Image may be NSFW.
Clik here to view.
