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The richest man in history, John D. Rockefeller, kept to a strict schedule including 7.5 hours of sleep a night and ample personal time in the morning and eveni
by saryant 11y ago
The richest man in history, John D. Rockefeller, kept to a strict schedule including 7.5 hours of sleep a night and ample personal time in the morning and evening.
Somehow he still managed to accrue $660 billion (inflation-adjusted).