Imam Malik (may Allah have mercy on him) was informed that a muezzin came to Sayyiduna Umar (may Allah be pleased with him) to inform him of the Fajr prayer, and found Sayyiduna Umar (may Allah be pleased with him) sleeping. So he said «الصَّلَوٰةُخَيْرٌمِنَالنَّوْمِ» meaning, "Prayer is better than sleep, O Commander of the Believers!" Then Sayyiduna Umar (may Allah be pleased with him) ordered the muezzin to say this phrase in the call to prayer for Fajr.
Hadith Referenceموطا امام مالك رواية يحييٰ / كتاب الصلاة / 152
Hadith Gradingمحدثین:ضعيف
Hadith Takhrij«ضعيف، وأخرجه ابن أبى شيبة فى «مصنفه» برقم: 29852، شركة الحروف نمبر: 140، فواد عبدالباقي نمبر: 3 - كِتَابُ الصَّلَاةِ-ح: 8»