What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
1Presentness in time.
2The fact or quality of being present or manifest; presence. Now rare.
Mid 16th century; earliest use found in John Bale (1495–1563), bishop of Ossory, evangelical polemicist, and historian. From post-classical Latin praesentialitas presentness in time, presence from praesentialis + classical Latin -tās.