Sayyiduna Abu Mahdhurah (may Allah be pleased with him) narrates similarly from the Prophet (peace and blessings be upon him), and in it is: 'Al-salatu khayrun min al-nawm, al-salatu khayrun min al-nawm' (Prayer is better than sleep, prayer is better than sleep) in the first adhan of the morning.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 1980