11. The Book of the Commencement of the Prayer - كتاب الافتتاح
52) Chapter: Prostration during: "Read! In the Name of your Lord"
It was narrated that Abu Hurairah said:
"I prostrated with the Messenger of Allah (ﷺ) during; 'When the heaven is split asunder' and 'Read! In the Name of your Lord.'"