The righteous believers

تَتَجَافَىٰ جُنُوبُهُمْ عَنِ ٱلْمَضَاجِعِ يَدْعُونَ رَبَّهُمْ خَوْفًا وَطَمَعًا وَمِمَّا رَزَقْنَـٰهُمْ يُنفِقُونَ

Their sides part [i.e., they arise] from [their] beds; they supplicate their Lord in fear and aspiration, and from what We have provided them, they spend.

وَأَمَّآ إِن كَانَ مِنْ أَصْحَـٰبِ ٱلْيَمِينِ

And if he was of the companions of the right,

إِلَّا ٱلْمُصَلِّينَ

Except the observers of prayer -

وَٱلَّذِينَ هُمْ عَلَىٰ صَلَاتِهِمْ يُحَافِظُونَ

And those who [carefully] maintain their prayer: