(33) باب الدَّلِيلِ عَلَى أَنَّ نَوْمَ الْجَالِسِ لاَ يَنْقُضُ الْوُضُوءَ
Anas reported:
(The people) stood up for prayer and the Messenger of Allah (ﷺ) was whispering to a man, and in the narration of 'Abd al-Warith (the words are): The Apostle of Allah (ﷺ) was having a private conversation with a man, and did not start the prayer till the people dozed off.
Reference: Sahih Muslim 376 a
In-book reference: Book 3, Hadith 154
USC-MSA web (English) reference(deprecated numbering scheme): Book 3, Hadith 731