The Source of Traditions on Imam al-Riḍā (Vol 2) · Hadith 317 (#Ḥadīth #317)

317 - حَدَّثَنا مُحَمَّد بْنِ عَمَر الحافِظُ البَغدْاديُّ قالَ:حَدَّثَني أَبُو عَبْدِ اللَّه جَعْفَرُ بْنُ مُحَمَّدٍ الحُسَيْنِيِّ قالَ: حَدَّثَني عِيسَى بْنُ مِهْرانِ قالَ: حَدَّثَني أَبُو الصَّلْتِ عَبْد السَّلامُ بْنِ صالِحٍ قالَ: حَدَّثَني عَلِىُّ بْنُ مُوسَى الرِّضا، عَنْ أَبيهِ مُوسَى، عَنْ أَبيهِ جَعْفَرٍ، عَنْ أَبيهِ مُحَمَّدٍ، عَنْ أَبيهِ عَلِىِّ بْنِ الحُسَيْن، عَنْ أَبيهِ الحُسَيْن، عَنْ عَلِيِ عَلَيْهِمُ السَّلاَمُ قالَ: قالَ رَسُولَ اللَّهِ صَلَّى اللهُ عَلَيْهِ وَآلِهِ: إِذا لَمْ يَسْتَطِع الرَّجُلُ أَن يُصَلّي قائِماً فَليُصَلِّ جالِساً، فَإِنْ لَمْ يَسْتَطِع أَن يُصَلّيَ جالِساً فَليُصَلِّ مُستَلِقياً ناصِباً رَجلَيهِ حِيالَ القِبْلَةَ يُومئ إِيماءً.

31-317 Muhammad ibn Umar al-Hafiz al-Baghdadi narrated that Abu Abdullah Ja’far ibn Muhammad Al-Husayni quoted on the authority of Isa ibn Mihran, on the authority of Abu Salt Abdul Salam ibn Salih al-Harawi, on the authority of Ali ibn Musa Ar-Ridha’ , on the authority of his father Musa , on the authority of his father Ja’far , on the authority of his father Muhammad , on the authority of his father Ali ibn Al-Husayn , on the authority of his father Al-Husayn , on the authority of Ali that God’s Prophet (S) said, “Whenever a man cannot pray standing up, he should say his prayers while sitting down. If he cannot say them sitting down, he can say them while lying on his back with his legs stretched out toward the Qibla.”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).