Sunan an Nasai
167
Sahih+2

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

SahihAbu Ghuddah
SahihAl-Albani