وَحَدَّثَنَا مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، عَنِ ابْنِ جُرَيْجٍ، أَخْبَرَنِي نَافِعٌ، عَنِ ابْنِ عُمَرَ، أَنَّ عُمَرَ، اسْتَفْتَى النَّبِيَّ صلى الله عليه وسلم فَقَالَ هَلْ يَنَامُ أَحَدُنَا وَهُوَ جُنُبٌ قَالَ ‏"‏ نَعَمْ لِيَتَوَضَّأْ ثُمَّ لْيَنَمْ حَتَّى يَغْتَسِلَ إِذَا شَاءَ ‏"‏ ‏.‏

Ibn 'Umar said: 'Umar asked the verdict of the Shari'ah from the Apostle (PBUH) thus: Is it permissible for any one of us to sleep in a state of impurity? He (the Prophet said: Yes, he must perform ablution and then sleep and take a bath when he desires. Translation Not Available

Book Ref: Sahih Muslim Book 3 Hadith 601
Web Ref:  Sahih Muslim Book 3 Hadith 306 b