Retiring to a Mosque for Remembrance of Allah (I'tikaf)

Bukhari :: Book 3 :: Volume 33 :: Hadith 262

Narrated 'Urwa:

Aisha during her menses used to comb and oil the hair of the Prophet while he used to be in Itikaf in the mosque. He would stretch out his head towards her while she was in her chamber.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star