Chapter 1: Purification (Kitab Al-Taharah)
Narrated Aisha, Ummul Mu' minin: The Messenger of Allah (ﷺ) would sleep while he was sexually defiled without touching water. Abu Dawud said: Hasan b. 'Ali al-Wasiti said that the heard Yazid b. Harun say: This tradition is based on a misunderstanding, i. e. the tradition reported by Abu Ishaq.
Sunan Abi Dawud 228