´It was narrated from Abu Hurairah that:` The Prophet said: "Do not let the Bedouins make you change the name of your prayer." Ibn Harmalah added: "Rather it is the 'Isha', but they say the 'Atamah because they bring their camels in for milking at that time (when it is dark)."
Hadith Referenceسنن ابن ماجه / كتاب الصلاة / 705
Hadith Gradingالألبانی:حسن صحيح | زبیر علی زئی:حسن
Hadith Takhrij« تفرد بہ ابن ماجہ ، ( تحفة الأشراف : 13065 ، ومصباح الزجاجة : 705 ) ، وقد أخرجہ : مسند احمد ( 2/433 ، 438 ) ( حسن صحیح ) »