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:10526Aḥmad b. Saʿīd > Isḥāq b. Manṣūr > Ibrāhīm / Ibn Yūsuf > Abū Isḥāq > Abū Burdah > al-Barāʾ Samiʿah

[Machine] The Messenger of Allah ﷺ used to sleep on his right side and place it under his cheek, and he would say, "O Allah, protect me from your punishment on the Day you resurrect your servants." Abu Abdul Rahman said, it is similar to it being reported from his father from Abu Ishaq.  

الكبرى للنسائي:١٠٥٢٦أَخْبَرَنِي أَحْمَدُ بْنُ سَعِيدٍ قَالَ حَدَّثَنَا إِسْحَاقُ بْنُ مَنْصُورٍ قَالَ حَدَّثَنَا إِبْرَاهِيمُ وَهُوَ ابْنُ يُوسُفَ عَنْ أَبِي إِسْحَاقَ قَالَ حَدَّثَنِي أَبُو بُرْدَةَ عَنِ الْبَرَاءِ سَمِعَهُ قَالَ

كَانَ رَسُولُ اللهِ ﷺ يَتَوَسَّدُ يَمِينَهُ عِنْدَ الْمَنَامِ وَيَضَعُهَا تَحْتَ خَدِّهِ وَيَقُولُ «اللهُمَّ قِنِي عَذَابَكَ يَوْمَ تَبْعَثُ عِبَادَكَ» قَالَ أَبُو عَبْدِ الرَّحْمَنِ يُشْبِهُ أَنْ يَكُونَ فِيهِ عَنْ أَبِيهِ عَنْ أَبِي إِسْحَاقَ