The Prophet (ﷺ) was in the first two rak'ahs as though he were on heated stones.

The narrator Shu'bah said: We said: Till he (the Prophet) got up.
Sunan Abi Dawud Book 2, Hadith 606
← Previous Hadith Ibn ‘Umar saw a man resting on his left hand while he was sitting during prayer. The version of Harun b. Zaid goes: He was lying on his left side. the agreed version goes: he said to him: Do not sit like this, because those who are punished sit like this.

Sunan Abi Dawud Book 2, Hadith 605 Next Hadith → The Prophet (ﷺ) used to give the salutation to his left and right sides until the whiteness of his cheek was seen, (saying: "Peace be upon you, and mercy of Allah" twice.

AbuDawud said: This is a version of the tradition reported by AbuSufyan. The version of Isra'il did not explain it. AbuDawud said: This tradition has been narrated by Zubayr from AbuIshaq and Yahya ibn Adam from Isra'il from AbuIshaq from AbdurRahman ibn al-Aswad from his father from Alqamah on the authority of Abdullah ibn Mas'ud. AbuDawud said: Shu'bah used to reject this tradition, the tradition narrated by AbuIshaq as coming from the Prophet (ﷺ).

Sunan Abi Dawud Book 2, Hadith 607