Definition of night sitting in English:

night sitting

noun

  • The action of staying awake all night in order to work, study, etc.; an instance of this.

Origin

Mid 17th century; earliest use found in John Milton (1608–1674), poet and polemicist. From night + sitting.

Pronunciation

night sitting

/ˈnʌɪt ˌsɪtɪŋ/