(12) باب مَا جَاءَ فِي الرُّخْصَةِ فِي الشُّرْبِ قَائِمًا
Narrated 'Amr bin Shu'aib:
From his father, from his grandfather who said: "I saw the Messenger of Allah (ﷺ) drinking while standing and sitting."[Abu 'Eisa said:] This Hadith is Hasan Sahih. (ES)
Reference (ES): Jami` at-Tirmidhi 1883 (ES)
In-book reference (ES): Book 26, Hadith 23 (ES)
English translation (ES): Vol. 3, Book 24, Hadith 1883 (ES)