English translation
1641. It was narrated that Abû Ishâq said: "I came to Al-Aswad bin Yazîd, who was a close friend of mine, and said: 'O Abû 'Amr, tell me what the Mother of the Believers told you about the prayer of the Messenger of Allâh ﷺ.' He said: She said: 'He used to sleep for the first part of the night and stay up for the latter part.'" (Sahîh)
