Man Lā Yaḥḍuruh al-Faqīh
Hadith 6465 - وَ رُوِيَ: أَنَّ أَبَا اَلْحَسَنِ اَلرِّضَا عَلَيْهِ اَلسَّلاَمُ كَانَ يَسْتَيْقِظُ مِنْ نَوْمِهِ فَيَتَوَضَّأُ وَ لاَ يَسْتَنْجِي وَقَالَ كَالْمُتَعَجِّبِ مِنْ رَجُلٍ سَمَّاهُ «بَلَغَنِي أَنَّهُ إِذَا خَرَجَتْ مِنْهُ رِيحٌ اِسْتَنْجَى.
Hadith.65 - It was narrated that Abu Al-Hasan Imam Ali ibn Musa Ar-Ridha (as) would awaken from his sleep, perform ablution, and not perform istinja.
He expressed astonishment at a man whom he referred to, saying, "I have heard that when he passes gas, he performs istinja."