(8) باب السِّوَاكِ يَوْمَ الْجُمُعَةِ
Narrated Hudhaifa:
When the Prophet (p.b.u.h) got up at night (for the night prayer), he used to clean his mouth .
Reference: Sahih al-Bukhari 889
In-book reference: Book 11, Hadith 14
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 13, Hadith 14