"The Prophet prohibited wearing Qassi, and that which is dyed with safflower, and from the gold ring, and from reciting the Quran while bowing."
Jami` at-Tirmidhi Book 2, Hadith 116
← Previous Hadith from another route: "That he performed Salat during the night with the Prophet" and he mentioned the Hadith.

Jami` at-Tirmidhi Book 2, Hadith 115 Next Hadith → Allah's Messenger said: "The Salat is not acceptable if a man is not at rest - meaning his back - while bowing and prostrating."

Jami` at-Tirmidhi Book 2, Hadith 117