I said to the Messenger of Allah (saws): Are there two prostrations in Surah al-Hajj? He replied: Yes; if anyone does not make two prostrations, he should not recite them.

Abu Dawud said: Musaddad said: His bowing and his moderation in bowing and prostration, and his prostration and his sitting between the two prostrations, and his prostration and sitting between the salutation and going away (after finishing the prayer) were nearly equal.

The time taken by the Prophet in prostrations, bowing, and the sitting interval between the two prostrations was about the same.

The Prophet (saws) said: When one of you is in doubt about his prayer, and does not know how much he has prayed, three or four rak'ahs, he should pray one (additional) rak'ah and make two prostrations while sitting before giving the salutation. If the (additional) rak'ah which he prayed is the fifth one, he will make it an even number by these two prostrations. If it is the fourth one, the two prostrations will be a disgrace for the devil.

The bowing, the prostrations, the period of standing after bowing and the interval between the two prostrations of the Prophet used to be equal in duration .

Allah's Apostle finished his prayer after offerings two rak`at only. Dhul-Yaddain asked him whether the prayer had been reduced, or you had forgotten?" The Prophet said, "Is Dhul-Yaddain speaking the truth?" The people said, "Yes." Then Allah's Apostle stood up and performed another two rak`at and then finished prayer with Taslim, and then said the Takbir and performed a prostration similar to or longer than his ordinary prostrations; then he raised his head, said Takbir and prostrated and then raised his head (Sahu prostrations).

that Allah's Prophet led them in the Zuhr prayer and he offered either more or less rak`at, and it was said to him, "O Allah's Apostle ! Has the prayer been reduced, or have you forgotten?" He asked, "What is that?" They said, "You have prayed so many rak`at." So he performed with them two more prostrations and said, "These two prostrations are to be performed by the person who does not know whether he has prayed more or less (rak`at) in which case he should seek to follow what is right. And then complete the rest (of the prayer) and perform two extra prostrations."

The bowing, the prostration the sitting in between the two prostrations and the standing after the bowing of the Prophet but not qiyam (standing in the prayer) and qu`ud (sitting in the prayer) used to be approximately equal (in duration).

(the ally of Bani `Abdul Muttalib) Allah's Apostle stood up for the Zuhr prayer and he should have sat (after the second rak`a but he stood up for the third rak`a without sitting for Tashah-hud) and when he finished the prayer he performed two prostrations and said Takbir on each prostration while sitting, before ending (the prayer) with Taslim; and the people too performed the two prostrations with him instead of the sitting he forgot.

(describing the Fear prayer): The Imam stands up facing the Qibla and one batch of them (i.e. the army) (out of the two) prays along with him and the other batch faces the enemy. The Imam offers one rak`a with the first batch they themselves stand up alone and offer one bowing and two prostrations while they are still in their place, and then go away to relieve the second batch, and the second batch comes (and takes the place of the first batch in the prayer behind the Imam) and he offers the second rak`a with them. So he completes his two-rak`at and then the second batch bows and prostrates two prostrations (i.e. complete their second rak`a and thus all complete their prayer).

(This hadith has also been narrated through two other chain by Sahl b. Abi Hathma)

Yahya related to me from Malik from Zayd ibn Aslam from Ata ibn Yasar that the Messenger of Allah, may Allah bless him and grant him peace, said, "If you are uncertain in the prayer and do not know whether you have prayed three or four rakas, then pray a raka and make two prostrations from the sitting position before the taslim. If the raka that you prayed was the fifth, then you make it even by these two sajdas, and if it was the fourth, then the two prostrations spite Shaytan."

Once Allah's Apostle offered two rak`at and finished his prayer. So Dhul-Yadain asked him, "Has the prayer been reduced or have you forgotten?" Allah's Apostle said, "Has Dhul-Yadain spoken the truth?" The people replied in the affirmative. Then Allah's Apostle stood up and offered the remaining two rak`at and performed Taslim, and then said Takbir and performed two prostrations like his usual prostrations, or a bit longer, and then got up.

The Prophet prayed two rak`at of Zuhr prayer (instead of four) and he was told that he had prayed two rak`at only. Then he prayed two more rak`at and finished them with the Taslim followed by two prostrations.

Once Allah's Apostle prayed two rak`at (instead of four) and finished his prayer. Dhul-Yadain asked him whether the prayer had been reduced or whether he had forgotten. Allah's Apostle asked the people whether Dhul-Yadain was telling the truth. The people replied in the affirmative. Then Allah's Apostle stood up, offered the remaining two rak`at and then finished his prayer with Taslim and then said, "Allahu Akbar." He followed it with two prostrations like ordinary prostrations or a bit longer.

The Prophet (saws) named the two prostrations of forgetfulness disgraceful for the devil.

I asked Az-Zuhri, "Did the Prophet ever offer the Fear Prayer?" Az-Zuhri said, "I was told by Salim that `Abdullah bin `Umar I had said, 'I took part in a holy battle with Allah's Apostle I in Najd. We faced the enemy and arranged ourselves in rows. Then Allah's Apostle (p.b.u.h) stood up to lead the prayer and one party stood to pray with him while the other faced the enemy. Allah's Apostle (p.b.u.h) and the former party bowed and performed two prostrations. Then that party left and took the place of those who had not prayed. Allah's Apostle prayed one rak`a (with the latter) and performed two prostrations and finished his prayer with Taslim. Then everyone of them bowed once and performed two prostrations individually.' "

The Prophet led us in the `Asr or the Zuhr prayer and finished it with Taslim. Dhul-Yadain said to him, "O Allah's Apostle! Has the prayer been reduced?" The Prophet asked his companions in the affirmative. So Allah's Apostle I offered two more rak`at and then performed two prostrations (of Sahu). Sa`d said, "I saw that 'Urwa bin Az-Zubair had offered two rak`at in the Maghrib prayer and finished it with Taslim. He then talked (and when he was informed about it) he completed the rest of his prayer and performed two prostrations, and said, 'The Prophet prayed like this.' "

Malik said, "The imam does not come down and prostrate when he recites a piece of Qur'an requiring a prostration while he is on the mimbar."

Malik said, "The position with us is that there are eleven prescribed prostrations in the Qur'an, none of which are in the mufassal."

Malik said, "No-one should recite any of the pieces of Qur'an that require a prostration after the prayers of subh and asr. This is because the Messenger of Allah, may Allah bless him and grant him peace, forbade prayer after subh until after the sun had risen, and after asr until the sun had set, and prostration is part of the prayer. So no-one should recite any piece of Qur'an requiring a prostration during these two periods of time."

Malik was asked whether a menstruating woman could prostrate if she heard some-one reciting a passage of Qur'an requiring a prostration, and he said, "Neither a man nor a woman should prostrate unless they are ritually pure."

Malik was asked whether a man in the company of a woman who was reciting a passage of Qur'an requiring a prostration should prostrate with her, and he said, "He does not have to prostrate with her. The prostration is only obligatory for people who are with a man who is leading them. He recites the piece and they prostrate with him. Some one who hears a piece of Qur'an that requires a prostration being recited by a man who is not leading him in prayer does not have to do the prostration."

The Prophet (saws) taught me fifteen prostrations while reciting the Qur'an, including three in al-Mufassal and two in Surah al-Hajj.

Abu Dawud said: Abu al-Darda' has reported eleven prostrations from the Prophet (saws), but chain of this tradition is weak.

Yahya related to me from Malik from Nafi, the mawla of Ibn Umar that a man from Egypt told him that Umar ibn al-Khattab recited Surat al-Hajj (Sura 22) and prostrated twice in it, and then said, "This sura has been given special preference by having two prostrations in it."

When the Prophet (saws) finished two rak'ahs of an obligatory prayer, a man asked him: Messenger of Allah, has the prayer been shortened, or have you forgotten? he replied: I did not do all that. The people said: Messenger of Allah, you did that. Therefore, he offered another two rak'ahs or prayer and did not make two prostrations due to forgetfulness.

Abu Dawud said: This tradition has also been narrated by Dawud al-Hussain from Abu Sufyan, freed slave of Ibn Abi Ahmad on the authority of Abu Hurairah from the Prophet (saws). This version goes: He then made two prostrations while he was sitting after the salutation.

The Prophet (saws) said: Anyone who is in doubt in his prayer should make two prostrations after giving the salutation.

Ahmad and Ishaq said: "When a man stands up after two Rak'ah, then he performs the prostrations for As-Sahw before the Salam according to the Hadith of Ibn Buhainah."

'Abdullah bin Buhainah is 'Abdullah bin Malik [so he is] Ibn Buhainah (because) Malik is his father and Buhainah is his mother.

I was informed of this by Ishaq bin Mansur from 'Ali [bin 'Abdullah] bin Al-Madini.

Abu 'Eisa said: The people of knowledge differ over when a man is to perform the prostrations of As-Sahw, is it before the Salam or after it. Some of them thought that her performs them after the Salam. This is the view of Sufyan Ath-Thawri and the people of Al-Kufah. Some of them said he performs them before the Salam. This is the view of most of the Fuqaha among the people of Al-Madinah, like Yahya bin Sa'eed, Rabi'ah, and others. This is also the saying of Ash-Shafi'i.

Some of them said when he adds to the Salat, then it is after the Salam, and when he leaves something out, then before the Salam. This is the view of Malik bin Anas.

Ahmad said: "Whatever is reported from the Prophet (saws) about the prostrations from As-Sahw then it is acted upon in either case." He saw that when one stands after Rak'ah then according to the Hadith of Ibn Buhainah, he is to perform the prostrations before the Salam. When he prays five for Zuhr, then performs the prostrations after the Salam, and if he says Salam after two Rak'ahs of Zuhr or 'Asr then he performs the prostrations after the Salam. All of them are to be acted upon depending upon the case, and in the cases where nothing is reported from the Prophet (saws), then two prostrations are performed for As-Sahw before the Salam.

Ishaq said the same as Ahmad about all of this, with the exception that he said that for every case of As-Sahw that is not mentioned from the Prophet (saws), then if it is an addition to the Salat, then prostrations are performed after the Salam, and if it is something that was left out, then the prostrations are performed before the Salam.

`Aisha (addressing me) said, "O son of my sister! The Prophet never missed two prostrations (i.e. rak`at) after the `Asr prayer in my house."

'A'isha reported that there was a solar eclipse during the lifetime of the Messenger of Allah (way peace be upon him) and he sent the announcer (to summon them) for congregational prayer. The people gathered together and he pronounced takbir and he observed four rak'ahs, in the form of two rak'ahs (i. e. he observed two qiyams and two ruku's in one rak'ah) and four prostrations.

I asked Muhammad (bin Seereen) whether Tashah-hud should be recited after the two prostrations of Sahu. He replied, "It is not (mentioned) in Abu Huraira's narration . "

The Prophet (saws) used to say between the two prostrations: "O Allah, forgive me, have mercy on me, guide me, heal me, and provide for me."