الأكل من غير اتكاء
A stated preference for eating upright rather than reclined, described as more befitting a humble, mindful approach to food.
لَا آكُلُ مُتَّكِئًا
“I do not eat while reclining.” (meaning, not a literal translation)
The fuller narration frames this as a personal practice the Prophet ﷺ described about himself specifically, rather than a command issued to others — commentators read it as exemplary conduct offered by example rather than an explicit obligation.
Beyond its social/humility dimension, commentators note upright posture is generally considered better for digestion and for reducing acid reflux than eating lying down. Ibn al-Qayyim connects this to his broader dietary guidance: posture, pacing, and portion all appear together in his framework as factors affecting how well food is actually digested, not just how it's socially perceived.
Modern gastroenterology broadly supports upright posture during and shortly after eating as reducing acid reflux risk compared to reclining, which aligns with the classical observation here even though arrived at through different reasoning.