It is narrated from Aishah (may Allah be pleased with her) that the Messenger of Allah (peace and blessings be upon him) said: "The miswak is a means of purifying the mouth and a cause of the Lord's pleasure."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 136
Mis'ar mentioned it just like the aforementioned narration, but with these additional words: that he heard Sayyidah Aishah (may Allah be pleased with her), the honoured wife of the Prophet (peace and blessings be upon him), saying.
(b) The Shaykh (may Allah have mercy on him) says that Ibn Abi Atiq is Abdullah bin Muhammad bin Abd al-Rahman bin Abi Bakr al-Siddiq (may Allah be pleased with him), and Abu Atiq is the kunyah of Muhammad.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 137
Abd al-Rahman bin Abi Atiq says: I heard my father (say) that he heard Sayyidah Aishah (may Allah be pleased with her) (narrate) that the Prophet (peace and blessings be upon him) said: "The miswak is a cause of purifying the mouth and a means of the Lord's pleasure."
He is Abd al-Rahman bin Abdullah bin Abi Atiq; Yazid attributed him to his grandfather. One view is that Abd al-Rahman narrated it from al-Qasim bin Muhammad, so it is as if he heard it from both of them.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 138
It is narrated from the Mother of the Believers, Sayyidah Aishah (may Allah be pleased with her), that the Prophet (peace and blessings be upon him) said: "The miswak is a cause of purifying the mouth and a means of the Lord's pleasure."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 139
It is narrated from the Mother of the Believers, Sayyidah Aishah (may Allah be pleased with her), that the Messenger of Allah (peace and blessings be upon him) said: "The miswak is a cause of purifying the mouth and a means of the Lord's pleasure."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 140
Miqdam bin Shurayh bin Hani' narrates from his father: I asked Sayyidah Aishah (may Allah be pleased with her): When the Prophet (peace and blessings be upon him) entered his house, what would he begin with? Sayyidah Aishah (may Allah be pleased with her) said: With the miswak.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 141
(a) Ibn Abi Musa narrates from his father (may Allah be pleased with him): I came to the Messenger of Allah (peace and blessings be upon him) and found him using a miswak with his hand, and the sound "a' a'" was coming from his (peace and blessings be upon him) blessed mouth.
("A' a'") is the sound that comes out while using the miswak; the miswak was in his (peace and blessings be upon him) mouth, as if he (peace and blessings be upon him) were making a sound.
(b) Abu Musa (may Allah be pleased with him) says: I came to the Prophet (peace and blessings be upon him) while he (peace and blessings be upon him) was using the miswak, and one end of the miswak was on his tongue.
(c) In a hadith of Sahih al-Bukhari the words are "u' u'".
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 142
It is narrated from Sayyiduna Anas (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "I have urged you a great deal concerning the miswak."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 143
It is narrated from al-Tamimi: I asked Ibn Abbas (may Allah be pleased with them both) about the miswak, and he said: "The Prophet (peace and blessings be upon him) kept commanding us to use it, until we feared that it might become obligatory."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 144