What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
1Stone used in paving gutters. Also as a count noun. Now historical and rare.
2Scottish. Chiefly in form channel stane. A large stone taken from the bed of a stream or river, used in (and adapted for) the game of curling. Chiefly historical.
Late Middle English. From channel + stone.