´It was narrated that Anas in Malik said:` "One day when he-the Prophet (ﷺ)- was still among us, he took a nap, then he raised his head, smiling. We said to him: 'Why are you smiling, O Messenger of Allah?' He said: 'Just now this Surah was revealed to me: In the Name of Allah, the Most Gracious, the Most Merciful. Verily, We have granted you (O Muahmmad) Al-Kawthar. Therefore turn in prayer to your Lord and sacrifice (to Him only). For he who hates you, he will be cut off.' Then he said: 'Do you know what Al-Kawthar is?' We said: 'Allah and His Messenger know best.' He said: 'It is a river that my Lord has promised me in Paradise. Its vessels are more than the number of the stars. My Ummah will come to me, then a man among them will be pulled away and I will say: "O Lord, he is one of my Ummah" and He will say to me: 'You do not know what he did after you were gone."
Hadith Referenceسنن نسائي / كتاب الافتتاح / 905
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم
´It was narrated that Nu'aim Al-Mujmir said:` "I prayed behind Abu Hurairah and he recited: In the Name of Allah, the Most Gracious, the Most Merciful, then he recited Umm Al-Qur'an (Al Fatihah), and when he reached: not (the way) of those who earned Your anger, nor of those who went astray, he said: 'Amin and the people said 'Amin. And every time he prostrated he said: 'Allahu Akbar and when he stood up from sitting after two Rak'ahs he said: 'Allahu Akbar'. And after he had said the Salam he said: 'By the One in Whose Hand is my soul! My prayer most closely remembers the prayer of the Messenger of Allah.'"
Hadith Referenceسنن نسائي / كتاب الافتتاح / 906
Hadith Gradingالألبانی:ضعيف الإسناد | زبیر علی زئی:إسناده صحيح