"Hadhrat Abu Hurairah (R) narrates that Rasulullah (Sallallahu Alayhi Wasallam) said: 'Was it not for my fear of imposing a difficulty on my Ummah I would have ordered that the Miswaak be used for every Salaat, and delay in Eshaa prayer '." (BUKHARI)
"Ibn Umar (R) narrates that the Messenger of Allah (Sallallahu Alayhi Wasallam) said: 'Make a regular practice of the Miswaak, for verily, it is healthy for the mouth and it is a Pleasure for the Creator (i.e. Allah is pleased with the Muslim who uses the Miswaak)'." (BUKHARI)
Hadhrat Ayesha (R) narrates that Rasulullah (Sallallahu Alayhi Wasallam) said:
The reward of Salaah (Prayers) is multiplied 70 times if Miswaak was used before it.
MISWAAK BEFORE AND AFTER MEALS
"Abu Hurairah (R) said:"I have used the Miswaak before sleeping, after rising, before eating and after eating, ever since I heard the Nabi (Sallallahu Alayhi Wasallam) advising so'." (MASNAD AHMAD)
MISWAAK DURING FASTING
"Aamir Bin Rabiyah (R) narrates: 'I have seen Rasulullah (Sallallahu Alayhi Wasallam) using the Miswaak many a time while fasting'."(IBN MAJAH)
TYPES OF MISWAAKS
It is permissible to take for a Miswaak of all types of tree twigs, which are not harmful or poisonous. The following are the types of Miswaak are recommended:
(1) Peelo tree
(2) Olive (zaitoon) tree
(3) Bitam
(4) Any bitter tree
(5) Walnut tree