From Sahih Bukhari (Hadith 513):
Narrated `Aisha:the wife of the Prophet, "I used to sleep in front of Allah's Messenger (ﷺ) with my legs opposite his Qibla (facing him); and whenever he prostrated, he pushed my feet and I withdrew them and whenever he stood, I stretched them." `Aisha added, "In those days there were no lamps in the houses
Reference: Bukhari 513