´It was narrated from Ubayy bin Ka’b that:` The Prophet (ﷺ) used to spend the last ten days of Ramadan in I’tikaf. One year he was traveling, so the following year he spent twenty days in I’tikaf.
Hadith ReferenceSunan Ibn Majah / The Book of Fasting / Hadith: 1770
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح