صحیح ابن حبان
Ibn Hibban
كتاب الصوم
Book of Fasting
باب الاعتكاف وليلة القدر - ذكر الخبر المدحض قول من زعم أن هذا الخبر تفرد به حميد الطويل
I’tikaf and Laylat al-Qadr - Report refuting the claim that this narration is unique to Humayd al-Tawil
1 hadith
Hadith 3663
Sayyiduna Ubayy bin Ka'b (may Allah be pleased with him) narrates: The Prophet Muhammad (peace and blessings be upon him) used to observe i'tikaf during the last ten days of Ramadan. Once, he traveled and did not observe i'tikaf. When the next year came, he observed i'tikaf for twenty days.