Sunan Abi Dawud 1307
سنن أبي داود#1307Sahihحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، قَالَ حَدَّثَنَا أَبُو دَاوُدَ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنْ يَزِيدَ بْنِ خُمَيْرٍ، قَالَ سَمِعْتُ عَبْدَ اللَّهِ بْنَ أَبِي قَيْسٍ، يَقُولُ قَالَتْ عَائِشَةُ رضى الله عنها لاَ تَدَعْ قِيَامَ اللَّيْلِ فَإِنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ لاَ يَدَعُهُ وَكَانَ إِذَا مَرِضَ أَوْ كَسِلَ صَلَّى قَاعِدًا .
Narrated Aisha, Ummul Mu'minin: Do not give up prayer at night, for the Messenger of Allah (ﷺ) would not leave it. Whenever he fell ill or lethargic, he would offer it sitting
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: 5:58