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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
ahmad:178 – Abū Muʿāwiyah > al-Aʿmash > Ibrāhīm > ʿAlqamahaʿan ʿUmar

The Messenger of Allah ﷺ used to stay up at night talking with Abu Bakr ؓ , discussing some affairs of the Muslims, and I was with him.  

أحمد:١٧٨ – حَدَّثَنَا أَبُو مُعَاوِيَةَ حَدَّثَنَا الْأَعْمَشُ عَنْ إِبْرَاهِيمَ عَنْ عَلْقَمَةَعَنْ عُمَرَ قَالَ

كَانَ رَسُولُ اللهِ ﷺ يَسْمُرُ عِنْدَ أَبِي بَكْرٍ اللَّيْلَةَ كَذَلِكَ فِي الْأَمْرِ مِنْ أَمْرِ الْمُسْلِمِينَ وَأَنَا مَعَهُ  

See similar narrations below:

Collected by Aḥmad, Ibn Ḥibbān, Suyūṭī
ahmad:228 – Abū Muʿāwiyah > al-Aʿmash > Ibrāhīm > ʿAlqamahaʿan ʿUmar

The Messenger of Allah ﷺ was staying up late one night with Abu Bakr, discussing some issue of the Muslims, and I was with him.  

أحمد:٢٢٨ – حَدَّثَنَا أَبُو مُعَاوِيَةَ حَدَّثَنَا الْأَعْمَشُ عَنْ إِبْرَاهِيمَ عَنْ عَلْقَمَةَعَنْ عُمَرَ قَالَ

كَانَ رَسُولُ اللهِ ﷺ يَسْمُرُ عِنْدَ أَبِي بَكْرٍ اللَّيْلَةَ كَذَاكَ فِي الْأَمْرِ مِنْ أَمْرِ الْمُسْلِمِينَ وَأَنَا مَعَهُ  

ذِكْرُ الْخَبَرِ الْمُصَرِّحِ بِإِبَاحَةِ السَّمَرِ بَعْدَ عِشَاءِ الْآخِرَةِ إِذَا كَانَ ذَلِكَ مِمَّا يُجْدِي نَفْعُهُ عَلَى الْمُسْلِمِينَ

ibnhibban:2034 – ʿAbdullāh b. Muḥammad al-Azdī > Isḥāq b. Ibrāhīm > Abū Muʿāwiyah > al-Aʿmash > Ibrāhīm > ʿAlqamah > ʿUmar b. al-Khaṭṭāb

The Messenger of Allah ﷺ used to stay up at night talking with Abu Bakr ؓ , discussing some affairs of the Muslims, and I was with him. (Using translation from Aḥmad 178)   

ابن حبّان:٢٠٣٤ – أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ مُحَمَّدٍ الْأَزْدِيُّ قَالَ حَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ قَالَ حَدَّثَنَا أَبُو مُعَاوِيَةَ عَنِ الْأَعْمَشِ عَنْ إِبْرَاهِيمَ عَنْ عَلْقَمَةَ عَنْ عُمَرَ بْنِ الْخَطَّابِ قَالَ

«كَانَ رَسُولُ اللَّهِ ﷺ لَا يَزَالُ يَسْمُرُ عِنْدَ أَبِي بَكْرٍ اللَّيْلَةَ فِي الْأَمْرِ مِنْ أُمُورِ الْمُسْلِمِينَ وَإِنَّهُ سَمَرَ عِنْدَهُ ذَاتَ لَيْلَةٍ وَأَنَا مَعَهُ»  

suyuti:2-434b – ʿUmar
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السيوطي:٢-٤٣٤b –

"عَنْ عُمَرَ أَنَّ رَسُولَ اللهِ ﷺ كَانَ يَسْمِرُ عِنْدَ أَبِى بَكْرٍ اللَّيْلَ كَذَلِكَ فِي الأَمْرِ مِنْ أُمُورِ الْمُسْلِمِينَ وَأَنَا مَعَهُ".  

مسدد وهو صحيح