Fuente: Business Insider
After working as a flight attendant for almost a decade, I (not pictured) encourage passengers to keep the window shades shut when we're in the air. YakobchukOlena/Getty ImagesI used to work as a flight attendant, and I prefer passengers keep the shades closed during flights. Passengers are typically calmer and sleepier when the cabin is dark, which worked well for us.
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