´It was narrated that Aisha(ra) said:` "The messenger of Allah(ﷺ) was asked during the campaign of Tabuk about the Sutra of one who is praying. He said: "Something as high as the back of a camel saddle."
Hadith ReferenceSunan an-Nasa'i / The Book of the Qiblah / Hadith: 747
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم