question #3 Sahih al-Bukhari 513, Book 8, Hadith 160 : How did the Prophet Muhammad (ﷺ) accommodate his surroundings during prayer?

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.”