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Why airlines made sleep masks popular

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Putting a tiny, claustrophobic curtain over your eyes wasn't a common household practice until commercial aviation made travel completely unbearable. In the 1950s, airlines started handing out fabric blindfolds to passengers who couldn't ignore the glaring cabin lights or the person reading next to them. They quickly transitioned from a flimsy freebie to an absolute necessity for anyone craving total darkness.

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Why airlines made sleep masks popular
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