صحيح ابن خزيمه
Sahih Ibn Khuzaymah
جماع أبواب الأذان والإقامةChapters on Adhan and Iqamah
(195) بَابُ نَصْبِ الْقَدَمَيْنِ فِي السُّجُودِ،Chapter 195: Raising the feet in prostration
Hadith Q655
فِي خَبَرِ أَبِي هُرَيْرَةَ عَنْ عَائِشَةَ: فَوَقَعَتْ يَدِي عَلَى بَاطِنِ قَدَمَيْهِ وَهُمَا مُنْتَصِبَتَانِ.
It is narrated from Sayyidah Aisha (may Allah be pleased with her) in the narration of Sayyiduna Abu Hurairah (may Allah be pleased with him): My hand touched the sole of the Prophet's (peace be upon him) foot while both of his feet were standing.
