Hadith 378
Mishkat al-Masabih
Purification · The tooth-stick - Section 1
Arabic
وَعَنْ حُذَيْفَةَ قَالَ: كَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا قَامَ لِلتَّهَجُّدِ مِنَ اللَّيْلِ يَشُوصُ فَاهُ بِالسِّوَاكِ
English translation
Hudhaifa said that when the Prophet (ﷺ) got up to pray during the night he cleansed his mouth with the tooth-stick. (Bukhari and Muslim.)