(81) باب صَلاَةِ اللَّيْلِ
Narrated `Aisha:
The Prophet (ﷺ) had a mat which he used to spread during the day and use as a curtain at night. So a number of people gathered at night facing it and prayed behind him.
Reference: Sahih al-Bukhari 730
In-book reference: Book 10, Hadith 124
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 11, Hadith 697