"I heard the Messenger of Allah (ﷺ) say on the Minbar: 'Do not let the Bedouin make you change the name of your prayer; verily, it is 'Isha'.'"
Sunan an-Nasa'i Book 6, Hadith 49
← Previous Hadith "The Messenger of Allah (ﷺ) said: 'Do not let the Bedouin make you change the name of this prayer of yours, for they delay the prayer until it is very dark because of their preoccupation with camels and milking them. Verily, it is 'Isha'.'"

Sunan an-Nasa'i Book 6, Hadith 48 Next Hadith → "The Messenger of Allah (ﷺ) prayed Subh as soon as he was certain the dawn had appeared."

Sunan an-Nasa'i Book 6, Hadith 50