What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
Of, belonging to, or characteristic of Samuel Pepys, his library, or the age in which he lived; (of a written record or account) resembling the diaries of Pepys, especially in being frank and full of personal detail.
Mid 18th century; earliest use found in Thomas Percy (1729–1811), writer and Church of Ireland bishop of Dromore. From the name of Samuel Pepys, English diarist + -ian.