[Machine] On the authority of Abdullah bin Tha'labah al-'Udhri, who was one of the companions of the Prophet Muhammad ﷺ , he said: "I saw Saad bin Abi Waqqas, when performing the Isha prayer or the Witr prayer, he would add an extra unit of prayer, more than what Yunus used to do, until he would stand up from the depths of the night."
عَنْ عَبْدِ اللهِ بْنِ ثَعْلَبَةَ الْعُذْرِيِّ وَكَانَ مِنْ أَصْحَابِ النَّبِيِّ ﷺ قَدْ مَسَحَ عَلَى وَجْهِهِ قَالَ رَأَيْتُ سَعْدَ بْنَ أَبِي وَقَّاصٍ ؓ إِذَا صَلَّى الْعِشَاءَ أَوْتَرَ بِرَكْعَةٍ زَادَ فِيهِ غَيْرُهُ عَنْ يُونُسَ حَتَّى يَقُومَ مِنْ جَوْفِ اللَّيْلِ