21 hadith found in 'Retiring to a Mosque for Remembrance of Allah (Itikaf)' of Sahih Bukhari.
251	Narrated Ali bin Al-Husain: Safiya, the wife of the Prophet told me that she went to Allah's Apostle to visit him in the mosque while he was in Itikaf in the last ten days of Ramadan. She had a talk with him for a while, then she got up in order to return home. The Prophet accompanied her. When they reached the gate of the mosque, opposite the door of Um-Salama, two Ansari men were passing by and they greeted Allah's Apostle . He told them: Do not run away! And said, "She is (my wife) Safiya bint Huyai." Both of them said, "Subhan Allah, (How dare we think of any evil) O Allah's Apostle!" And they felt it. The Prophet said (to them), "Satan reaches everywhere in the human body as blood reaches in it, (everywhere in one's body). I was afraid lest Satan might insert an evil thought in your minds."
252	Narrated Abu Salama bin 'Abdur-Rahman: I asked Abu Said Al-Khudri, "Did you hear Allah's Apostle talking about the Night of Qadr?" He replied in the affirmative and said, "Once we were in Itikaf with Allah's Apostle in the middle ten days of (Ramadan) and we came out of it in the morning of the twentieth, and Allah's Apostle- delivered a sermon on the 20th (of Ramadan) and said, 'I was informed (of the date) of the Night of Qadr (in my dream) but had forgotten it. So, look for it in the odd nights of the last ten nights of the month of Ramadan. I saw myself prostrating in mud and water on that night (as a sign of the Night of Qadr). So, whoever had been in Itikaf with Allah's Apostle should return for it.' The people returned to the mosque (for Itikaf). There was no trace of clouds in the sky. But all of a sudden a cloud came and it rained. Then the prayer was established (they stood for the prayer) and Allah's Apostle prostrated in mud and water and I saw mud over the forehead and the nose of the Prophet.
253	Narrated 'Aisha: One of the wives of Allah's Apostle practiced Itikaf with him while she ad bleeding in between her periods and she would see red (blood) or yellowish traces, and sometimes we put a tray beneath her when she offered the prayer.
254	Narrated 'Ali bin Al-Husain (from Safiya, the Prophet's wife): The wives of the Prophet were with him in the mosque (while he was in Itikaf) and then they departed and the Prophet said to Safiya bint Huyai, "Don't hurry up, for I shall accompany you," (and her dwelling was in the house of Usama). The Prophet went out and in the meantime two Ansari men met him and they looked at the Prophet and passed by. The Prophet said to them, "Come here. She is (my wife) Safiya bint Huyai." They replied, "Subhan Allah, (How dare we think of evil) O Allah's Apostle! (we never expect anything bad from you)." The Prophet replied, "Satan circulates in the human being as blood circulates in the body, and I was afraid lest Satan might insert an evil thought in your minds."
255	Narrated 'Ali bin Al-Husain from Safiya: Safiya went to the Prophet while he was in Itikaf. When she returned, the Prophet accompanied her walking. An Ansari man saw him. When the Prophet noticed him, he called him and said, "Come here. She is Safiya. (Sufyan a sub-narrator perhaps said that the Prophet had said, "This is Safiya"). And Satan circulates in the body of Adam's offspring as his blood circulates in it." (A sub-narrator asked Sufyan, "Did Safiya visit him at night?" He said, "Of course, at night.") (Sahih Bukhari Book 33 ,No.255