Ayesha reported,

Whenever the Messenger of Allah ﷺ was in a state of major ritual impurity and wished to eat or to sleep, he would perform the same ablution he performed for prayer.Ibn Muthanna said in his version of the report, "Hakam narrated to us, saying, 'I heard Ibrahim relate...'"

Muslim 701

Sahih

حدثنا محمد بن المثنى وابن بشار قالا حدثنا محمد بن جعفر ح و حدثنا عبيد الله بن معاذ قال حدثنا أبي قالا حدثنا شعبة بهذا الإسناد قال ابن المثنى في حديثه حدثنا الحكم سمعت إبراهيم يحدث

مسلم 701صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Muslim
Book
Menstruation
Chapter
Permissibility of a junub sleeping, recommendation of wudu for him, and washing the private parts if he wants to eat, drink, sleep, or have intercourse
Numbering
Darussalam 701
Muslim 701