The spoken use of "night" as an informal, familiar Model of "great night" (wishing one particular a restful slumber) is prevalent, but I am undecided what the correct published equal is - if there is just one. I have always applied 'Night using an apostrophe, ordinarily capitalized: eight ᴀ�???12 ᴘᴍ?? https://martinl4x75.activoblog.com/44674121/the-night-gangnam-퍼펙트가라오케-karaoke-guide-diaries