Jami` at-Tirmidhi 703
جامع الترمذي#703Sahihحَدَّثَنَا يَحْيَى بْنُ مُوسَى، حَدَّثَنَا أَبُو دَاوُدَ الطَّيَالِسِيُّ، حَدَّثَنَا هِشَامٌ الدَّسْتَوَائِيُّ، عَنْ قَتَادَةَ، عَنْ أَنَسِ بْنِ مَالِكٍ، عَنْ زَيْدِ بْنِ ثَابِتٍ، قَالَ تَسَحَّرْنَا مَعَ النَّبِيِّ صلى الله عليه وسلم ثُمَّ قُمْنَا إِلَى الصَّلاَةِ . قَالَ قُلْتُ كَمْ كَانَ قَدْرُ ذَلِكَ قَالَ قَدْرُ خَمْسِينَ آيَةً .
Anas (bin Malik) narrated that :Zaid bin Thabit said: "We ate Sahar with the Messenger of Allah, then we stood for the Salat." I (Anas) said: "How long was that?" He said: "About the lengthy of fifty Ayahs
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: 8:22