What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
proper noun
(1883–1970), German biochemist. He pioneered the use of the techniques of chemistry for biochemical investigations, especially for his work on intracellular respiration. Nobel Prize for Physiology or Medicine (1931); he was prevented by the Nazi regime from accepting a second one in 1944 because of his Jewish ancestry.
