مشكوة المصابيح
Mishkat al-Masabih
كتاب الطهارة
The Book of Purification
(السِّوَاكُ وَقْتَ التَّهَجُّدِ)
(Using the Miswak at the Time of Tahajjud)
Hadith 378
وَعَنْ حُذَيْفَةَ قَالَ: كَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا قَامَ لِلتَّهَجُّدِ مِنَ اللَّيْلِ يَشُوصُ فَاهُ بِالسِّوَاكِ
Hudhaifa said that when the Prophet got up to pray during the night he cleansed his mouth with the tooth-stick. (Bukhari and Muslim.)
