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.
bayhaqi:7021Abū al-Ḥasan ʿAlī b. Muḥammad al-Muqriʾ > al-Ḥasan b. Muḥammad b. Isḥāq > Yūsuf b. Yaʿqūb al-Qāḍī > Naṣr b. ʿAlī from my father > Hishām al-Dastuwāʾī > Qatādah > Saʿīd b. al-Musayyib

[Machine] The Messenger of Allah ﷺ prayed for Umm Sa'd after her death for a month, and likewise.  

البيهقي:٧٠٢١أَخْبَرَنَا أَبُو الْحَسَنِ عَلِيُّ بْنُ مُحَمَّدٍ الْمُقْرِئُ أنبأ الْحَسَنُ بْنُ مُحَمَّدِ بْنِ إِسْحَاقَ ثنا يُوسُفُ بْنُ يَعْقُوبَ الْقَاضِي ثنا نَصْرُ بْنُ عَلِيٍّ ثنا أَبِي ثنا هِشَامٌ الدَّسْتُوَائِيُّ عَنْ قَتَادَةَ عَنْ سَعِيدِ بْنِ الْمُسَيِّبِ

أَنَّ رَسُولَ اللهِ ﷺ صَلَّى عَلَى أُمِّ سَعْدٍ بَعْدَ مَوْتِهَا بِشَهْرٍ وَكَذَلِكَ  

رَوَاهُ ابْنُ أَبِي عَرُوبَةَ عَنْ قَتَادَةَ وَهُوَ مُرْسَلٌ صَحِيحٌ