Ooops. Millennial here and I often iron my bed sheets. I have a weird ventless washer/dryer combo thing, and no matter how quickly I pull my sheets out or what dryness level I set it to, they come out quite wrinkled. I don’t really mind if the main sheet is a bit wrinkly, but it drives me nuts when the top edge gets all folded, and then those folds become permanent creases.