"The Messenger of Allah (ﷺ) prostrated during: 'When the heaven is split asunder.'"
Sunan an-Nasa'i Book 11, Hadith 87
← Previous Hadith Abu Hurairah (led them in prayer and) recited: "When the heaven is split asunder." and prostrated during it. When he had finished praying, he told them that the Messenger of Allah (ﷺ) had prostrated during it.

Sunan an-Nasa'i Book 11, Hadith 86 Next Hadith → "We prostrated with the Messenger of Allah (ﷺ) during: When the heaven is split asunder and Read! In the Name of your Lord."

Sunan an-Nasa'i Book 11, Hadith 88