Sunan an-Nasa'i 1624
سنن النسائي#1624SahihIt was narrated that Shaqiq said:"We were commanded, when we got up to pray at night, to clean our mouths with the siwak
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih Isnaad
Al-AlbaniSahih Isnaad
Zubair Ali ZaiSahih
In-book reference: 20:27