What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
1Occurring before the introduction of anaesthesia into surgical practice.
2Used, carried out, or occurring before the induction of anaesthesia.
A drug (typically a sedative, hypnotic, or analgesic) used before the induction of anaesthesia.
Late 19th century; earliest use found in The Lancet. From pre- + anaesthetic.