The Prophet ﷺ said, "If anyone of you feels drowsy while praying, he should sleep till he understands what he is saying (reciting).  

عَنِ النَّبِيِّ ﷺ قَالَ إِذَا نَعَسَ أَحَدُكُمْ فِي الصَّلاَةِ فَلْيَنَمْ حَتَّى يَعْلَمَ مَا يَقْرَأُ  

[Machine] The Prophet ﷺ said, "If any of you feel drowsy during prayer, they should step aside and sleep."  

أَنَّ النَّبِيَّ ﷺ قَالَ إِذَا نَعَسَ أَحَدُكُمْ وَهُوَ فِي الصَّلَاةِ فَلْيَنْصَرِفْ فَلْيَنَمْ  

[Machine] The Messenger of Allah ﷺ said, "If one of you feels sleepy while in prayer, they should wake up and lie down until they know what they are saying."  

قَالَ رَسُولُ اللهِ ﷺ إِذَا نَعَسَ أَحَدُكُمْ وَهُوَ فِي الصَّلَاةِ فَلْيَنْصَرِفْ فَلْيَنَمْ حَتَّى يَعْلَمَ مَا يَقُولُ  

[Machine] The Messenger of Allah ﷺ said, "If one of you feels drowsy while praying, they should stop and take a nap until they are aware of what they are saying."  

قَالَ رَسُولُ اللهِ ﷺ إِذَا نَعَسَ أَحَدُكُمْ وَهُوَ يُصَلِّي فَلْيَنْصَرِفْ فَلْيَنَمْ حَتَّى يَعْلَمَ مَا يَقُولُ  

"If anyone of you feels drowsy during his Salah, let him go and take a nap." (Using translation from Nasāʾī 443)   

عَنِ النَّبِيِّ ﷺ قَالَ «إِذَا نَعِسَ أَحَدُكُمْ فِي صَلَاتِهِ فَلْيَنْصِرِفْ فَلْيَنَمْ»