Musannaf Ibn Abi Shaybah 2857 — Those who disliked praying on wood

Alqamah said: Sayyiduna Abdullah (bin Mas'ud) (may Allah be pleased with him) went to visit his brother Utbah (may Allah be pleased with him) in his illness and found him praying on a piece of wood. He picked up the wood and threw it away, and said: This is something Satan has put forward. Place your face on the ground, and if you are not able to, then pray by gesturing.