Hadith #1574 (Sahih Muslim)
Book: The Book of Prayer - Travellers
Narrator(s): Hafsa bint 'Abdur-Rahman ibn Abi Bakr حفصة بنت عبد الرحمن بن أبي بكر الصديق
Grade: Sahih

When the dawn appeared, the Messenger of Allah (ﷺ) observed two rak’ahs (of Sunnah prayers).

Source: https://parallelquran.com/hadith/sahih-muslim-1574/

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Hadith #1606 (Sahih Muslim)
Book: The Book of Prayer - Travellers
Narrator(s): Hafsa bint 'Abdur-Rahman ibn Abi Bakr حفصة بنت عبد الرحمن بن أبي بكر الصديق
Grade: Sahih

Never did I see the Messenger of Allah (ﷺ) observing supererogatory prayer sitting till one year before his death when he would observe Nafl prayer in a sitting position, and he would recite the Surah (of the Qur’an) in such a slow-measured tone (that duration of its recital) became more lengthy than the one longer than this.

Source: https://parallelquran.com/hadith/sahih-muslim-1606/

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Hadith #2867 (Sahih Muslim)
Book: The Book of Pilgrimage
Narrator(s): Hafsa bint 'Abdur-Rahman ibn Abi Bakr حفصة بنت عبد الرحمن بن أبي بكر الصديق
Grade: Sahih

I said: Messenger of Allah what is the matter with you that you have not put off Ihram? The rest of the hadith is the same.

Source: https://parallelquran.com/hadith/sahih-muslim-2867/

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Hadith #2868 (Sahih Muslim)
Book: The Book of Pilgrimage
Narrator(s): Hafsa bint 'Abdur-Rahman ibn Abi Bakr حفصة بنت عبد الرحمن بن أبي بكر الصديق
Grade: Sahih

I said to Allah’s Messenger (ﷺ): What is the matter with people that they have put off Ihram, whereas you have not put it off after your Umra’? He said: I have driven my sacrificial animal and stuck my hair, and it is not permissible for me to put off Ihram unless I have completed the Hajj.

Source: https://parallelquran.com/hadith/sahih-muslim-2868/

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Hadith #2869 (Sahih Muslim)
Book: The Book of Pilgrimage
Narrator(s): Hafsa bint 'Abdur-Rahman ibn Abi Bakr حفصة بنت عبد الرحمن بن أبي بكر الصديق
Grade: Sahih

Messenger of Allah; the rest of the hadith is the same and (the concluding words of the Holy Prophet):” I won’t put off Ihram until I have sacrificed the animal.”

Source: https://parallelquran.com/hadith/sahih-muslim-2869/

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Hadith #2870 (Sahih Muslim)
Book: The Book of Pilgrimage
Narrator(s): Hafsa bint 'Abdur-Rahman ibn Abi Bakr حفصة بنت عبد الرحمن بن أبي بكر الصديق
Grade: Sahih

What hinders you that you have not put off Ihram? Thereupon he said: I have stuck my hair and driven my sacrificial animal along with men and it is not permissible to put off Ihram (under this condition until I have sacrificed the animal.

Source: https://parallelquran.com/hadith/sahih-muslim-2870/