585
Sahih+3
It was narrated from Ibn 'Umar that :'Umar bin Khattab said to the Messenger of Allah: "can anyone of us sleep if he is sexually impure?" He said: "Yes, if he performs ablution
SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi
Sunan Ibn MajahHadith 585