The spoken utilization of "night" as a casual, acquainted Model of "fantastic night" (wishing 1 a restful slumber) is widespread, but I am unsure what the appropriate published equivalent is - when there is a single. I have normally utilized 'Night using an apostrophe, typically capitalized: By way of example, https://lukasf2p42.luwebs.com/38657851/night-gangnam-퍼펙트가라오케-karaoke-guide-an-overview