It was narrated that 'Aishah said:
"The Prophet (ﷺ) would put his head out for me while he was performing I'tikaf [1] and I would wash it, when I was menstruating."[1] Mujawir ("next door") here means while performing I'tikaf. (ES)
English reference (ES): Vol. 1, Book 1, Hadith 277 (ES)
Arabic reference (ES): Book 1, Hadith 278 (ES)