It is reported on the authority of 'A'isha that the prayer of Allah's Messenger (ﷺ) in the night consisted of ten rak'ahs. He observed a Witr and two rak'ahs (of Sunan) of the dawn prayer, and thus the total comes to thirteen rak'ahs.
Reference | : Sahih Muslim 738e |
In-book reference | : Book 6, Hadith 156 |
USC-MSA web (English) reference | : Book 4, Hadith 1611 |
(deprecated numbering scheme) |