I asked Umm Salama about the night prayer of the Messenger of Allah ﷺ and his recitation. She said, "What concern is his prayer and his recitation to you? He used to pray as much as he slept and sleep as much as he prayed." Then she went on to describe his recitation, and it was a clear recitation, letter by letter.
حدثنا يحيى بن إسحاق قال حدثني ليث بن سعد حدثنا عبد الله بن أبي مليكة
سألت أم سلمة عن صلاة رسول الله ﷺ بالليل وقراءته قالت ما لكم ولصلاته ولقراءته قد كان يصلي قدر ما ينام وينام قدر ما يصلي وإذا هي تنعت قراءته فإذا قراءة مفسرة حرفا حرفا