Sunan Abi Dawud 2467
سنن أبي داود#2467SahihAishah said:When the Messenger of Allah (ﷺ) observed I'tikaf, he would put his head near me, and I would comb it. and he entered the house only to fulfill human needs (i.e. to urinate or to relieve himself)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim (297)
In-book reference: 14:155