(5) باب غَسْلِ الْوَجْهِ وَالْيَدَيْنِ إِذَا اسْتَيْقَظَ مِنَ النَّوْمِ
Ibn 'Abbas reported:
The Apostle (ﷺ) woke up at night; relieved himself, and then washed his face and hands and then again slept.
Reference: Sahih Muslim 304
In-book reference: Book 3, Hadith 20
USC-MSA web (English) reference(deprecated numbering scheme): Book 3, Hadith 596