Sunan an-Nasa'i 1692
سنن النسائي#1692SahihIt was narrated from 'Abdullah bin 'Umar that:The Messenger of Allah (ﷺ) said: "Prayer at night is two by two, then when you want to finish, pray one rak'h which will make the total number that you prayed odd
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 20:95