It was narrated from Abu Salamah that 'Aishah said:
"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."
English reference: Vol. 1, Book 1, Hadith 258
Arabic reference: Book 1, Hadith 259