He was standing during his storytelling and said, "A brother of yours used to never speak indecently," meaning Ibn Rawahah. He said,"And among us is the Messenger of Allah, reciting His Book when the radiant light of dawn breaks through the night.He spends the night with his side lifted from his bed, while sleep weighs heavily upon the disbelievers.He showed us guidance after blindness, so our hearts are certain that whatever he says will surely come to pass."
حدثنا يعمر بن بشر حدثنا عبد الله قال أخبرنا يونس عن الزهري قال سمعت سنان بن أبي سنان قال سمعت
قائما في قصصه إن أخا لكم كان لا يقول الرفث يعني ابن رواحة قال وفينا رسول الله يتلو كتابه إذا انشق معروف من الليل ساطع يبيت يجافي جنبه عن فراشه إذا استثقلت بالكافرين المضاجع أرانا الهدى بعد العمى فقلوبنا به موقنات أن ما قال واقع
Its isnad is sahih. Yamar bin Bishr was deemed reliable by Ibn Hibban, while Abu Hatim and Bukhari said nothing about him. Abdullah is Ibn Mubarak, and Sinan bin Abu Sinan Dili Madani is reliable, from the Followers. Bukhari related the hadith, 10/546, no. 6151, Fath, in the Book of Manners, Satirizing the Polytheists.