It was narrated from 'Aishah that if the Messenger of Allah ﷺ wanted to sleep while he was Junub, he would perform Wudu', and if he wanted to eat he would wash his hands. (Using translation from Nasāʾī 256)  

أَنَّ رَسُولَ اللهِ ﷺ كَانَ «إِذَا أَرَادَ أَنْ يَنَامَ وَهُوَ جُنُبٌ تَوَضَّأَ وَإِذَا أَرَادَ أَنْ يَأْكُلَ غَسَلَ يَدَيْهِ»  

"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." (Using translation from Nasāʾī 257)  

كَانَ رَسُولُ اللهِ ﷺ إِذَا أَرَادَ أَنْ يَنَامَ وَهُوَ جُنُبٌ تَوَضَّأَ وَإِذَا أَرَادَ أَنْ يَأْكُلَ أَوْ يَشْرَبَ قَالَتْ غَسَلَ يَدَيْهِ ثُمَّ يَأْكُلُ وَيُشْرَبُ