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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
suyuti:24460a –
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السيوطي:٢٤٤٦٠a –

"لابُدَّ مِنْ صَلاةٍ بِلَيلٍ، وَلَوْ حَلْبَ نَاقَةِ، وَلَوْ حَلْبَ شَاةٍ، وَمَا كَانَ (بَعْدَ) (*) صَلاةِ الْعِشَاءِ الآخِرَةِ فَهُوَ مِنَ اللَّيلِ".  

[طب] الطبرانى في الكبير وأبو نعيم عن إياس بن معاوية المزني

See similar narrations below:

Collected by Ṭabarānī
tabarani:787 – Muḥammad b. Ruzayq b. Jāmiʿ al-Miṣrī > Muḥammad b. Hishām al-Sadūsī > Yazīd b. Hārūn > Muḥammad b. Isḥāq > ʿAbd al-Raḥman b. al-Ḥārith > Iyās b. Muʿāwiyah al-Muzanī

[Machine] The Messenger of Allah ﷺ said, "It is necessary to perform the night prayer, even if it is on the back of a camel or by milking a sheep. And whatever comes after the 'Isha' prayer is considered part of the night."  

الطبراني:٧٨٧ – حَدَّثَنَا مُحَمَّدُ بْنُ رُزَيْقِ بْنِ جَامِعٍ الْمِصْرِيُّ ثنا مُحَمَّدُ بْنُ هِشَامٍ السَّدُوسِيُّ حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ أَنَا مُحَمَّدُ بْنُ إِسْحَاقَ عَنْ عَبْدِ الرَّحْمَنِ بْنِ الْحَارِثِ عَنْ إِيَاسِ بْنِ مُعَاوِيَةَ الْمُزَنِيِّ

أَنَّ رَسُولَ اللهِ ﷺ قَالَ «لَا بُدَّ مِنْ صَلَاةٍ بِلَيْلٍ وَلَوْ نَاقَةً وَلَوْ حَلْبَ شَاةٍ وَمَا كَانَ بَعْدَ صَلَاةِ الْعِشَاءِ الْآخِرَةِ فَهُوَ مِنَ اللَّيْلِ»