Is this foolishness or what?

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In South Korea, some buildings skip labeling the "fourth floor," opting for the letter "F" instead due to a common fear of the number four — known as tetraphobia

People who consistently get less than six hours of sleep have a higher risk of dying sooner than people who consistently get six to eight hours of sleep

According to a study by the National Sleep Foundation, people who make their beds each morning are 19% more likely to report a good night's sleep