It was narrated that 'Aishah said:
"I remember lying in front of the Messenger of Allah (ﷺ), and the Messenger of Allah (ﷺ) was praying. When he wanted to prostrate he would nudge my foot and I would draw it up (out of the way) until he had finished prostrating."
English reference: Vol. 1, Book 1, Hadith 167
Arabic reference: Book 1, Hadith 168