ʿUyūn akhbār al-Riḍā
Hadith 295295 - وَبِإِسْنادِهِ عَنْ عَلِيِ عَلَيْهِ السَّلامُ، أَنَّهُ شَرِبَقائِماً وَقالَ: هكَذا رَأَيْتُ النَّبِيِ صَلَّى اللهُ عَلَيْهِ وَآلِهِ فَعَلَ.
31-295 According to the same documentation, it is narrated that Ali (a.s.) was seen drinking water while he was standing up and said, “I saw the Prophet (S) do this.”