Abu al-Zanad أبو الزناد · The Book of Leading the Prayer (Al-Imamah)

"We were with Anas and we prayed with one of the Amirs. They pushed us until we stood and prayed between two rows, and Anas started moving backward and said: 'We used to avoid this at the time of the Messenger of Allah (ﷺ)."

"We were with the Messenger of Allah (ﷺ) when some of the people said: 'Why do you not stop with us to rest awhile, 0 Messenger of Allah (ﷺ)?' He said: 'I am afraid that you will sleep and miss the prayer.' Bilal said:'I will wake you up.' So they lay down and slept, and Bilal leaned back on his mount. Then the Messenger of Allah (ﷺ) woke up when the sun had already started to rise, and he said:…