Sunan Abi Dawud 1436
سنن أبي داود#1436Sahihحَدَّثَنَا هَارُونُ بْنُ مَعْرُوفٍ، حَدَّثَنَا ابْنُ أَبِي زَائِدَةَ، قَالَ حَدَّثَنِي عُبَيْدُ اللَّهِ بْنُ عُمَرَ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " بَادِرُوا الصُّبْحَ بِالْوِتْرِ " .
Ibn 'Umar reported the Prophet (ﷺ) as saying:Make haste to observe the witr prayer before morning
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 Muhammad Muhyi Al-Din Abdul Hamid, 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: 8:21