Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:2705Abū ʿAbdullāh al-Ḥāfiẓ > Abū al-Naḍr al-Faqīh > Muḥammad b. Naṣr al-Imām > Yaḥyá b. Yaḥyá > Sufyān b. ʿUyaynah > ʿUbaydullāh b. ʿAbdullāh b. al-Aṣam from his uncle Yazīd b. al-Aṣam > Maymūnah

[Machine] The Messenger of Allah ﷺ used to prostrate, and even if she (referring to an animal) wanted, a beast could pass between his hands.  

البيهقي:٢٧٠٥أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ أَخْبَرَنِي أَبُو النَّضْرِ الْفَقِيهُ ثنا مُحَمَّدُ بْنُ نَصْرٍ الْإِمَامُ ثنا يَحْيَى بْنُ يَحْيَى أنبأ سُفْيَانُ بْنُ عُيَيْنَةَ عَنْ عُبَيْدِ اللهِ بْنِ عَبْدِ اللهِ بْنِ الْأَصَمِّ عَنْ عَمِّهِ يَزِيدَ بْنِ الْأَصَمِّ عَنْ مَيْمُونَةَ ؓ قَالَتْ

كَانَ رَسُولُ اللهِ ﷺ إِذَا سَجَدَ لَوْ شَاءَتْ بَهِيمَةٌ أَنْ تَمُرَّ بَيْنَ يَدَيْهِ مَرَّتْ  

رَوَاهُ مُسْلِمٌ فِي الصَّحِيحِ عَنْ يَحْيَى بْنِ يَحْيَى

See similar narrations below:

Collected by Muslim, Ḥākim
muslim:496Yaḥyá b. Yaḥyá And Ibn Abū ʿUmar > Sufyān > Yaḥyá > Sufyān b. ʿUyaynah > ʿUbaydullāh b. ʿAbdullāh b. al-Aṣam from his uncle Yazīd b. al-Aṣam > Maymūnah

When the Messenger of Allah ﷺ prostrated himself, if a lamb wanted to pass between his arms, it could pass.  

مسلم:٤٩٦حَدَّثَنَا يَحْيَى بْنُ يَحْيَى وَابْنُ أَبِي عُمَرَ جَمِيعًا عَنْ سُفْيَانَ قَالَ يَحْيَى أَخْبَرَنَا سُفْيَانُ بْنُ عُيَيْنَةَ عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ الأَصَمِّ عَنْ عَمِّهِ يَزِيدَ بْنِ الأَصَمِّ عَنْ مَيْمُونَةَ قَالَتْ

كَانَ النَّبِيُّ ﷺ إِذَا سَجَدَ لَوْ شَاءَتْ بَهْمَةٌ أَنْ تَمُرَّ بَيْنَ يَدَيْهِ لَمَرَّتْ  

hakim:831ʿAlī b. ʿĪsá > Aḥmad b. Najdah > Saʿīd b. Manṣūr > Sufyān > Ibn al-Aṣam from his uncle > Maymūnah

When the Messenger of Allah ﷺ prostrated himself, if a lamb wanted to pass between his arms, it could pass. (Using translation from Muslim 496)  

الحاكم:٨٣١حَدَّثَنَاهُ عَلِيُّ بْنُ عِيسَى ثنا أَحْمَدُ بْنُ نَجْدَةَ ثنا سَعِيدُ بْنُ مَنْصُورٍ ثنا سُفْيَانُ عَنِ ابْنِ الْأَصَمِّ عَنْ عَمِّهِ عَنْ مَيْمُونَةَ قَالَتْ

كَانَ رَسُولُ اللَّهِ ﷺ «إِذَا سَجَدَ لَوْ شَاءَتْ بَهِيمَةٌ أَنْ تَمُرَّ بَيْنَ يَدَيْهِ لَمَرَّتْ»