(79) باب أَيْنَ يَكُونُ الاِعْتِكَافُ
Ibn 'Umar said:
The Prophet (ﷺ) used to observe I'tikaf during the last ten days of Ramadan. Nafi' said: 'Abd Allah (b. 'Umar) showed me the place in the mosque where Messenger of Allah (ﷺ) used to observe I'tikaf.
Reference: Sunan Abi Dawud 2465
In-book reference: Book 14, Hadith 153
English translation: Book 13, Hadith 2459