Sahih Muslim 1750
صحيح مسلم#1750SahihAbdullah b. 'Umar reported:A man stood up and said. Messenger of Allah, how is the night prayer? The Messenger of Allah (ﷺ) said: The night prayer consists of pair, but if you apprehend the rise of dawn, make it odd number by observing one rak'ah
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 6:179