6. Humans can live longer without food than they can without sleep
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As long as you have water, the average human can survive 1-2 months without food, depending on their body fat and other factors. Sleep deprived people, however, start experiencing radical personality and psychological changes after only a few sleepless days.
The longest recorded time anyone has ever gone without sleep is 11 days – at the end of which the experimenter was awake, but stumbled over words, hallucinated and frequently forgot what he was doing.