(84) باب الْحِلَقِ وَالْجُلُوسِ فِي الْمَسْجِدِ
Narrated Ibn `Umar:
A man came to the Prophet (ﷺ) while he was delivering the sermon and asked him how to offer the night
prayers. The Prophet (ﷺ) replied, 'Pray two rak`at at a time and then two and then two and so on and if
you are afraid of dawn (the approach of the time of the Fajr prayer) pray one rak`a and that will be the
witr for all the rak`at which you have prayed." Narrated 'Ubaidullah bin `Abdullah bin `Umar: A man
called the Prophet (ﷺ) while he was in the mosque.
Reference: Sahih al-Bukhari 473
In-book reference: Book 8, Hadith 121
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 8, Hadith 462