´It was narrated from 'Abdullah bin 'Umar that 'Umar said:` "O Messenger of Allah! May any one of us sleep while he is Junub?" He said: "When he performs Wudu'."
Hadith ReferenceSunan an-Nasa'i / Mention When Ghusal (A Purifying Bath) Is Obligatory And When It Is Not / Hadith: 260
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:متفق عليه