Sunan Abi Dawud 1325
سنن أبي داود#1325Sahihحَدَّثَنَا ابْنُ حَنْبَلٍ، - يَعْنِي أَحْمَدَ - حَدَّثَنَا حَجَّاجٌ، قَالَ قَالَ ابْنُ جُرَيْجٍ أَخْبَرَنِي عُثْمَانُ بْنُ أَبِي سُلَيْمَانَ، عَنْ عَلِيٍّ الأَزْدِيِّ، عَنْ عُبَيْدِ بْنِ عُمَيْرٍ، عَنْ عَبْدِ اللَّهِ بْنِ حُبْشِيٍّ الْخَثْعَمِيِّ، : أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم سُئِلَ أَىُّ الأَعْمَالِ أَفْضَلُ قَالَ : " طُولُ الْقِيَامِ " .
Narrated Abdullah ibn Habashi al-Khath'ami: The Prophet (ﷺ) was asked: which is the best action? He replied: To stand in prayer for a long time
Scholarly Authentication
The label above is the grade most of these scholars gave — 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. Each scholar's own wording:
In-book reference: 5:76