What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
The ocean or sea perch, Helicolenus percoides (family Sebastidae), which is mottled with reddish-brown bands and occurs off the coasts of Australia and New Zealand.
Late 19th century; earliest use found in Julian Tenison-Woods (1832–1889), Roman Catholic priest and scientist.