Before revision: A reference to first sleep in the Odyssey was translated as "first sleep" in the 17th century, but , if Ekirch's hypothesis is correct, was universally mistranslated in the 20th.
After revision: A reference to first sleep in the Odyssey was translated as "first sleep" in the 17th century, but according to Ekirch, was commonly mistranslated in the 20th.