Musannaf Ibn Abi Shaybah 37342 — The words of Abu Ubaydah bin

Hisham narrates from his father that he said: Sayyiduna Umar bin al-Khattab went to see Sayyiduna Abu Ubaydah bin al-Jarrah (may Allah be pleased with him), and Sayyiduna Abu Ubaydah bin al-Jarrah was lying on his saddle, using a bag as a pillow. The narrator said: Sayyiduna Umar said to him: "Why do you not use these new things which your companions use?" Sayyiduna Abu Ubaydah (may Allah be pleased with him) said: "O Commander of the Faithful! This bed of mine also gives me enough sleep."