Sunan an-Nasa'i 166
سنن النسائي#166Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ عَبْدِ الْحَكَمِ، عَنْ شُعَيْبٍ، عَنِ اللَّيْثِ، قَالَ أَنْبَأَنَا ابْنُ الْهَادِ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ الْقَاسِمِ، عَنِ الْقَاسِمِ، عَنْ عَائِشَةَ، قَالَتْ إِنْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم لَيُصَلِّي وَإِنِّي لَمُعْتَرِضَةٌ بَيْنَ يَدَيْهِ اعْتِرَاضَ الْجَنَازَةِ حَتَّى إِذَا أَرَادَ أَنْ يُوتِرَ مَسَّنِي بِرِجْلِهِ .
It was narrated that 'Aishah said:"The Messenger of Allah (ﷺ) used to pray when I was lying in front of him as the bier is placed (in front of the Imam), and when he wanted to pray Witr he would nudge me with his foot
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: 1:167