Yahya related to me from Malik from Nafi that Abdullah ibn Umar,if he wished to sleep or eat while junub, would wash his face, and hisarms to the elbows, and wipe his head. Then he would eat or sleep.2.20 The Repetition of the Prayer by a Person in a State ofMajor Ritual Impurity, his Doing Ghusl, when He has Prayed withoutRemembering it, and his Washing his Garments.
USC-MSA web (English) reference: Book 2, Hadith 80
Arabic reference: Book 2, Hadith 110