Sunan an-Nasa'i 982

It was narrated that Abu Hurairah said:"I have never prayed behind anyone whose prayer more closely resembled that of the Messenger of Allah (ﷺ) than so-and-so." (The narrator) Sulaiman siad: "He used to make the first two rak'ahs of Zuhr lengthy and the last two shorter, and he would make 'Asr shorter; in Maghrib he would recite the short Mufassal surahs, in Isha' the medium-length Mufassal surahs and in Subh the long Mufassal surahs