Jami` at-Tirmidhi 442
جامع الترمذي#442Sahihحَدَّثَنَا أَبُو كُرَيْبٍ، قَالَ حَدَّثَنَا وَكِيعٌ، عَنْ شُعْبَةَ، عَنْ أَبِي جَمْرَةَ الضُّبَعِيِّ، عَنِ ابْنِ عَبَّاسٍ، قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلم يُصَلِّي مِنَ اللَّيْلِ ثَلاَثَ عَشْرَةَ رَكْعَةً . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ . وَأَبُو جَمْرَةَ الضُّبَعِيُّ اسْمُهُ نَصْرُ بْنُ عِمْرَانَ الضُّبَعِيُّ .
Ibn Abbas narrated:"The Prophet (S) would pray thirteen Rak'ah at night
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Ahmad Muhammad Shakir, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 2:295