(5) باب الاِعْتِكَافِ لَيْلاً
Narrated Ibn `Umar:
`Umar asked the Prophet (ﷺ) "I vowed in the Pre-Islamic period of ignorance to stay in I`tikaf for one night in Al-Masjid al-Haram." The Prophet (ﷺ) said to him, "Fulfill your vow." (ID)
Reference (ID): Sahih al-Bukhari 2032 (ID)
In-book reference (ID): Book 33, Hadith 7 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 33, Hadith 248 (ID)