(33) باب الدَّلِيلِ عَلَى أَنَّ نَوْمَ الْجَالِسِ لاَ يَنْقُضُ الْوُضُوءَ
Qatida reported:
I heard Anas as saying that the Companion of the Messenger of Allah (ﷺ) dozed off and then offered prayer and did not perform ablution. He (the narrator) said: I asked him if he had actually heard it from Anas. He said: By Allah. yes.
Reference: Sahih Muslim 376 c
In-book reference: Book 3, Hadith 156
USC-MSA web (English) reference(deprecated numbering scheme): Book 3, Hadith 733