Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
muslim:474d – Zuhayr b. Ḥarb And Ibn Numayr > Sufyān b. ʿUyaynah > Abān And Ghayruh > al-Ḥakam > ʿAbd al-Raḥman b. Abū Laylá > al-Barāʾ

When we were (in prayer) with the Messenger of Allah Allah ﷺ none of us benfft his back till we saw he prostrated. Zuhair and others reported:" till we saw him prostrating".  

مسلم:٤٧٤d – حَدَّثَنَا زُهَيْرُ بْنُ حَرْبٍ وَابْنُ نُمَيْرٍ قَالاَ حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ حَدَّثَنَا أَبَانٌ وَغَيْرُهُ عَنِ الْحَكَمِ عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي لَيْلَى عَنِ الْبَرَاءِ قَالَ

كُنَّا مَعَ النَّبِيِّ ﷺ لاَ يَحْنُو أَحَدٌ مِنَّا ظَهْرَهُ حَتَّى نَرَاهُ قَدْ سَجَدَ فَقَالَ زُهَيْرٌ حَدَّثَنَا سُفْيَانُ قَالَ حَدَّثَنَا الْكُوفِيُّونَ أَبَانٌ وَغَيْرُهُ قَالَ حَتَّى نَرَاهُ يَسْجُدُ