وَلِابْنِ خُزَيْمَةَ: عَنْ أَنَسٍ
قَالَ: «مِنْ اَلسُّنَّةِ إِذَا قَالَ اَلْمُؤَذِّنُ فِي اَلْفَجْرِ: حَيٌّ عَلَى اَلْفَلَاحِ، قَالَ: اَلصَّلَاةُ خَيْرٌ مِنَ اَلنَّوْمِ»
“It is from the Sunnah that when the Muadhadhin says Fajr (prayer time): ‘Haiya ‘alal-Falah (Come to the success)’, he says (also) ‘as-Salatu khairun minan-nawm (Prayer is better than sleep).’’”
Bulugh al-Maram 213, Book 2, The Book of Prayer, Hadith 34. 1 min read