(10) باب مَا يَفْعَلُ إِذَا قَامَ مِنَ اللَّيْلِ مِنَ السِّوَاكِ
It was narrated that Hudhaifah said:
"When the Messenger of Allah (ﷺ) got up to pray tahajjud at night, he would brush his teeth with the siwak. (ES)
Reference (ES): Sunan an-Nasa'i 1622 (ES)
In-book reference (ES): Book 20, Hadith 25 (ES)
English translation (ES): Vol. 2, Book 20, Hadith 1623 (ES)