ENOfficial
She said the Prophet (ﷺ) used to pray thirteen rak'as during the night, including the witr and two rak'as of the dawn prayer. Muslim transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْهَا قَالَتْ: كَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يُصَلِّي مِنَ اللَّيْلِ ثَلَاثَ عَشْرَةَ رَكْعَةً مِنْهَا الْوتر وركعتا الْفجْر. رَوَاهُ مُسلم
sunnah.com