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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
tabarani:6423b – Muḥammad b. ʿAmr b. Khālid al-Ḥarrānī from my father > Zuhayr > ʿAbdullāh b. ʿĪsá from his father from his grandfather > Abū Laylá

[Machine] That Hasan or Hussein were in the Prophet's room. He said, "Excuse me," so I saw his urine spurting and I went towards him. He said, "Leave my son until he finishes urinating and do not startle him until he finishes urinating." Then I followed the water.  

الطبراني:٦٤٢٣b – حَدَّثَنَا مُحَمَّدُ بْنُ عَمْرِو بْنِ خَالِدٍ الْحَرَّانِيُّ حَدَّثَنِي أَبِي ثنا زُهَيْرٌ ثنا عَبْدُ اللهِ بْنُ عِيسَى عَنْ أَبِيهِ عَنْ جَدِّهِ عَنْ أَبِي لَيْلَى

أَنَّ الْحَسَنَ أَوِ الْحُسَيْنَ ؓ كَانَا فِي حِجْرِ النَّبِيِّ ﷺ قَالَ فَبَالَ فَرَأَيْتُ بَوْلَهُ أَسَارِيعَ فَوَثَبْتُ إِلَيْهِ فَقَالَ «دَعُوا ابْنِي حَتَّى يَقْضِيَ بَوْلَهُ وَلَا تُفْزِعُوهُ حَتَّى يَقْضِيَ بَوْلَهُ» ثُمَّ أَتْبَعَهُ الْمَاءَ  

See similar narrations below:

Collected by Ṭabarānī
tabarani:6423a – Muḥammad b. ʿAmr b. Khālid al-Ḥarrānī from my father > Zuhayr > ʿAbdullāh b. ʿĪsá from his father from his grandfather > Abū Laylá

[Machine] That Al-Hasan or Al-Husain were in the Prophet's room. He said, "I heard his urine splashing, so I went towards him. He said, 'Leave my son until he finishes urinating and do not disturb him until he finishes urinating.' Then I followed the water."  

الطبراني:٦٤٢٣a – حَدَّثَنَا مُحَمَّدُ بْنُ عَمْرِو بْنِ خَالِدٍ الْحَرَّانِيُّ حَدَّثَنِي أَبِي ثنا زُهَيْرٌ ثنا عَبْدُ اللهِ بْنُ عِيسَى عَنْ أَبِيهِ عَنْ جَدِّهِ عَنْ أَبِي لَيْلَى

أَنَّ الْحَسَنَ أَوِ الْحُسَيْنَ ؓ كَانَا فِي حِجْرِ النَّبِيِّ ﷺ قَالَ فَبَالَ فَرَأَيْتُ بَوْلَهُ أَسَارِيعَ فَوَثَبْتُ إِلَيْهِ فَقَالَ «دَعُوا ابْنِي حَتَّى يَقْضِيَ بَوْلَهُ وَلَا تُفْزِعُوهُ حَتَّى يَقْضِيَ بَوْلَهُ» ثُمَّ أَتْبَعَهُ الْمَاءَ