It was narrated that 'Aishah said:
If the Prophet (ﷺ) - (one of the narrators) 'Amr said: If the Messenger of Allah (ﷺ) - wanted to eat or sleep while he was Junub, he would perform Wudu'. In his narration, 'Amr (one of the narrators) added: Wudu' was for prayer.