Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
nasai-kubra:1419ʿUthmān b. ʿAbdullāh > ʿUbaydullāh b. Muḥammad > Ḥammād > Abū Ḥarrah > al-Ḥasan > Saʿd b. Hishām > ʿĀʾishah

[Machine] That the Prophet ﷺ used to perform nine units of voluntary prayer, sitting in the eighth unit, then he would stand and perform one more unit of prayer. Hisham ibn Hassan disagreed with him.  

الكبرى للنسائي:١٤١٩أَخْبَرَنَا عُثْمَانُ بْنُ عَبْدِ اللهِ قَالَ حَدَّثَنَا عُبَيْدُ اللهِ بْنِ مُحَمَّدٍ قَالَ حَدَّثَنَا حَمَّادٌ عَنْ أَبِي حَرَّةَ عَنِ الْحَسَنِ عَنْ سَعْدِ بْنِ هِشَامٍ عَنْ عَائِشَةَ

أَنَّ النَّبِيَّ ﷺ كَانَ «يُوتِرُ بِتِسْعِ رَكَعَاتٍ يَقْعُدُ فِي الثَّامِنَةِ ثُمَّ يَقُومُ فَيَرْكَعُ رَكْعَةً» خَالَفَهُ هِشَامُ بْنُ حَسَّانٍ