Narrator:Anas ibn Mālik
حَدَّثَنَا نَصْرُ بْنُ عَلِيٍّ الْجَهْضَمِيُّ، حَدَّثَنَا يَزِيدُ بْنُ زُرَيْعٍ، حَدَّثَنَا حَجَّاجٌ، حَدَّثَنَا قَتَادَةُ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ سُئِلَ النَّبِيُّ ـ صلى الله عليه وسلم ـ عَنِ الرَّجُلِ يَغْفُلُ عَنِ الصَّلاَةِ أَوْ يَرْقُدُ عَنْهَا قَالَ
" يُصَلِّيهَا إِذَا ذَكَرَهَا "
It was narrated that Anas bin Malik said:
'The Prophet was asked about a man who forgets prayer or sleeps and misses it. He said: 'he performs it when he remembers it.'"
Reported by Ibn Majah (No. 695), Muslim (No. 684c), An-Nasa’i (No. 614) and Ahmad (No. 11534, 13496).