(Imām Bukhārī narrates): Abdullah bin Yusuf narrated to us, he said: Imam Malik informed us, from Abdullah bin Dinar, from Hazrat Abdullah bin Umar (may Allāh be pleased with both of them), he said that

Hazrat Umar bin Al-Khattab mentioned to the Messenger of Allāh ﷺ that he becomes in a state of janabah at night; the Messenger of Allāh ﷺ said to him: Perform wudu and wash your private part, then sleep.