It was reported that Ibn 'Abbas said "I witnessed (that) the Messenger of Allah (ﷺ) ate bread and meat, then stood for prayer and did not perform ablution. "
Sunan an-Nasa'i Book 1, Hadith 185
← Previous Hadith "I entered upon Umm Salamah and she told me that the Messenger of Allah (ﷺ) used to wake up in a state of Janabah without having had a wet dream, then he would fast." And she told him that she brought the Prophet (ﷺ) some grilled ribs and he ate from that, then he got up and prayed, and did not perform Wudu'.

Sunan an-Nasa'i Book 1, Hadith 184 Next Hadith → It was reported that Jabir (ra) said "That last of the two matters from the Messenger ofAllah (ﷺ) was leaving off ablution from that which had been touched by fire."

Sunan an-Nasa'i Book 1, Hadith 186