"If the Messenger of Allah (ﷺ) wanted to sleep while he was Junub, he would perform Wudu' as for prayer before sleeping."
Sunan an-Nasa'i Book 1, Hadith 259
← Previous Hadith "If the Messenger of Allah (ﷺ) wanted to sleep while he was Junub, he would perform Wudu', and if he wanted to eat or drink," she said: "he would wash his hands and then eat or drink."

Sunan an-Nasa'i Book 1, Hadith 258 Next Hadith → "O Messenger of Allah! May any one of us sleep while he is Junub?" He said: "When he performs Wudu'."

Sunan an-Nasa'i Book 1, Hadith 260