بُلُوغُ الْمَرَامِ
Bulugh al-Maram 1048
Marriage
وَعَنْ أَبِي جُحَيْفَةَ - رضى الله عنه - قَالَ : قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ لَا آكُلُ مُتَّكِئًا } رَوَاهُ اَلْبُخَارِيُّ [1] .
Narrated Abu Juhaifah (RA): Allah's Messenger (ﷺ) said: "I do not eat Muttaki'an (sitting with support of something, so as to eat more)." [Reported by al-Bukhari].
Sunnah.com reference: Book 8, Hadith 97