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.
nasai-kubra:1328ʿAmr b. ʿAlī > Ṣāliḥ b. Mihrān > al-Nuʿmān b. ʿAbd al-Salām > Sufyān > ʿĀṣim b. Kulayb from his father > Abū Hurayrah

"The Messenger of Allah ﷺ used to pray until he developed fissures in his feet." (Using translation from Nasāʾī 1645)   

الكبرى للنسائي:١٣٢٨أَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ قَالَ حَدَّثَنِي صَالِحُ بْنُ مِهْرَانَ قَالَ حَدَّثَنَا النُّعْمَانُ بْنُ عَبْدِ السَّلَامِ عَنْ سُفْيَانَ عَنْ عَاصِمِ بْنِ كُلَيْبٍ عَنْ أَبِيهِ عَنْ أَبِي هُرَيْرَةَ قَالَ

كَانَ النَّبِيُّ ﷺ «يُصَلِّي حَتَّى تَزْلَعَ قَدَمَاهُ»  


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Collected by Nasāʾī
nasai:1645ʿAmr b. ʿAlī

"The Messenger of Allah ﷺ used to pray until he developed fissures in his feet."  

النسائي:١٦٤٥أَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ قَالَ حَدَّثَنَا صَالِحُ بْنُ مِهْرَانَ وَكَانَ ثِقَةً قَالَ حَدَّثَنَا النُّعْمَانُ بْنُ عَبْدِ السَّلاَمِ عَنْ سُفْيَانَ عَنْ عَاصِمِ بْنِ كُلَيْبٍ عَنْ أَبِيهِ عَنْ أَبِي هُرَيْرَةَ قَالَ

كَانَ رَسُولُ اللَّهِ ﷺ يُصَلِّي حَتَّى تَزْلَعَ يَعْنِي تَشَقَّقُ قَدَمَاهُ