Meaning of John-go-to-bed-at-noon in English:

John-go-to-bed-at-noon

noun

  • Any of several plants having flowers that close at midday, especially the goat's beard Tragopogon pratensis and scarlet pimpernel, Anagallis arvensis ; compare earlier go-to-bed-at-noon , and "jack-go-to-bed-at-noon".

Origin

Mid 18th century.