ثُمَّ أَنزَلَ عَلَيْكُمْ مِّن بَعْدِ الْغَمِّ أَمَنَةً نُّعَاساً يَغْشَى طَآئِفَةً مِّنْكُمْ وَطَآئِفَةٌ قَدْ أَهَمَّتْهُمْ أَنْفُسُهُمْ يَظُنُّونَ بِاللَّهِ غَيْرَ الْحَقِّ ظَنَّ الْجَـهِلِيَّةِ يَقُولُونَ هَل لَّنَا مِنَ الاٌّمْرِ مِن شَىْءٍ قُلْ إِنَّ الاٌّمْرَ كُلَّهُ للَّهِ يُخْفُونَ فِى أَنْفُسِهِم مَّا لاَ يُبْدُونَ لَكَ يَقُولُونَ لَوْ كَانَ لَنَا مِنَ الاٌّمْرِ شَىْءٌ مَّا قُتِلْنَا هَـهُنَا قُل لَّوْ كُنتُمْ فِى بُيُوتِكُمْ لَبَرَزَ الَّذِينَ كُتِبَ عَلَيْهِمُ الْقَتْلُ إِلَى مَضَاجِعِهِمْ وَلِيَبْتَلِىَ اللَّهُ مَا فِى صُدُورِكُمْ وَلِيُمَحِّصَ مَا فِى قُلُوبِكُمْ وَاللَّهُ عَلِيمٌ بِذَاتِ الصُّدُورِ - إِنَّ الَّذِينَ تَوَلَّوْاْ مِنكُمْ يَوْمَ الْتَقَى الْجَمْعَانِ إِنَّمَا اسْتَزَلَّهُمُ الشَّيْطَـنُ بِبَعْضِ مَا كَسَبُواْ وَلَقَدْ عَفَا اللَّهُ عَنْهُمْ إِنَّ اللَّهَ غَفُورٌ حَلِيمٌ
154. Then after the distress, He sent down security for you. Slumber overtook a party of you, while another party was thinking about themselves and thought wrongly of Allah -- the thought of ignorance. They said, â€Have we any part in the affair'' Say: â€Indeed the affair belongs wholly to Allah.'' They hide within themselves what they dare not reveal to you, saying: â€If we had anything to do with the affair, none of us would have been killed here.'' Say: â€Even if you had remained in your homes, those for whom death was decreed would certainly have gone forth to the place of their death,'' but that Allah might test what is in your breasts; and to purify that which was in your hearts (sins), and Allah is All-Knower of what is in the breasts. 155. Those of you who turned back on the day the two hosts met, Shaytan only caused them to err because of some of what they had earned. But Allah, indeed, has forgiven them. Surely, Allah is Oft-Forgiving, Most Forbearing.  Allah reminds His servants of His favor when He sent down on them tranquillity and slumber that overcame them while they were carrying their weapons and feeling distress and grief. In this case, slumber is a favor and carries meanings of calmness and safety. For instance, Allah said in Surat Al-Anfal about the battle of Badr, Â