Sahih Muslim Book: 7, Hadith: 1736

وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا مُعَاذُ بْنُ مُعَاذٍ، عَنْ حُمَيْدٍ، عَنْ عَبْدِ اللَّهِ بْنِ شَقِيقٍ الْعُقَيْلِيِّ، قَالَ سَأَلْتُ عَائِشَةَ عَنْ صَلاَةِ، رَسُولِ اللَّهِ صلى الله عليه وسلم بِاللَّيْلِ فَقَالَتْ كَانَ يُصَلِّي لَيْلاً طَوِيلاً قَائِمًا وَلَيْلاً طَوِيلاً قَاعِدًا وَكَانَ إِذَا قَرَأَ قَائِمًا رَكَعَ قَائِمًا وَإِذَا قَرَأَ قَاعِدًا رَكَعَ قَاعِدًا ‏.‏ ‘Abdullah b. Shaqiq al-‘Uqaili reported:I asked ‘A’isha about the prayer of the Messenger of Allah (may peace be upon him). She said: The Messenger of Allah (may peace be upon him) would observe prayer (Nafl) in a standing position as well as in a sitting position, and when he commenced the prayer in a standing position, he bowed in this very position, and when he commenced the prayer in a sitting position, he bowed in this very position. Chain : Abu Bakr bin Abi Shayba – Mua’dh bin Mua’dh bin Nsr – Hameed bin Abi Hameed – ‘Abdullah bin...