(a) Allah Almighty said: "When you rise for prayer, wash your faces" [Surah al-Ma'idah: 6].
Imam al-Shafi'i (may Allah have mercy on him) says: I heard from a person who had sound knowledge of the Qur'an that this verse was revealed concerning those who rise from sleep.
(b) The Shaykh says: It is narrated from Zayd bin Aslam that this verse was revealed concerning one who rises from sleep.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 572
Hadith Gradingمحدثین:نقله عند القرطبي في تفسيرهٖ 6/78