Sunan Abi Dawud 56
سنن أبي داود#56Sahihحَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا حَمَّادٌ، أَخْبَرَنَا بَهْزُ بْنُ حَكِيمٍ، عَنْ زُرَارَةَ بْنِ أَوْفَى، عَنْ سَعْدِ بْنِ هِشَامٍ، عَنْ عَائِشَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يُوضَعُ لَهُ وَضُوءُهُ وَسِوَاكُهُ فَإِذَا قَامَ مِنَ اللَّيْلِ تَخَلَّى ثُمَّ اسْتَاكَ .
Narrated Aisha, Ummul Mu'minin: Ablution water and tooth-stick were placed by the side of the Prophet (ﷺ). When he got up during the night (for prayer), he relieved himself, then he used the tooth-stick
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: 1:56