Hadith: When you stand at night to offer Salah

The beloved Rasûl of Allah śallAllāhu álayhi wa sallam said,

When you stand at night to offer Salâh, you should clean your teeth with a Miswāk because when you recite the Qur’ân an angel places his mouth on yours and anything coming out of your mouth enters the mouth of that angel. [Shu’ab al-Îmân, vol. 2, pp. 381, Ĥadīth 2117]