(42) باب السُّجُودِ عَلَى الْجَبِينِ
It was narrated that Abu Sa'eed Al-Khudri said:
"My two eyes saw the traces of water and mud on the forehead and nose of the Messenger of Allah (ﷺ), from his praying Qiyam on the night of the twenty-first." (ID)
Reference (ID): Sunan an-Nasa'i 1095 (ID)
In-book reference (ID): Book 12, Hadith 67 (ID)
English translation (ID): Vol. 2, Book 12, Hadith 1096 (ID)