إِذْ يُغَشِّيكُمُ النُّعَاسَ أَمَنَةً مِنْهُ وَيُنَزِّلُ عَلَيْكُمْ مِنَ السَّمَاءِ مَاءً لِيُطَهِّرَكُمْ بِهِ وَيُذْهِبَ عَنْكُمْ رِجْزَ الشَّيْطَانِ وَلِيَرْبِطَ عَلَىٰ قُلُوبِكُمْ وَيُثَبِّتَ بِهِ الْأَقْدَامَ
A blanketing sleep came over you as a (measure of) security from Him, and He sent down rain from the skies to cleanse you, and to remove the plague of Satan, and to strengthen your hearts and steady your steps.
When (at the time that you most needed courage), He caused a slumber to enfold you as a reassurance from Him, and sent down water upon you from the sky, that thereby He might cleanse you (of all actual or ritual impurities, by enabling you to do the minor and major ablution), and take away from you the polluting whisperings of Satan, and through it make your hearts strong, and your steps steady.
(Recall the time) when He caused a sort of slumber to prevail upon you to give you a sense of peaceful security from Himself, and He sent down upon you water from the clouds that He might thereby purify you and remove from you the scourge of satan, that He might strengthen your hearts and thereby make your feet firm and strong.
[Remember how it was] when He caused inner calm to enfold you, 11 as an assurance from Him, and sent down upon you water from the skies, so that He might purify you thereby and free you from Satan's unclean whisperings 12 and strengthen your hearts and thus make firm your steps.
Recall what time He caused slumber to cover you as a security from Himself, and He sent down rain upon you from heaven that he might cleanse you thereby and take away from you the pollution of the Satan, and that he might gird up your hearts and make your feet firm thereby.
When He made the slumber overcome you, so it was as a peacefulness from Him, and sent down water from the sky upon you to purify you with it, and to remove the impurity of Satan from you, and to give your hearts fortitude and firmly establish your feet with it.
Remember when drowsiness covered you as a reassurance from Him, and He sent down upon you rain from heaven to purify you, to remove from you the plague of Satan, and to make strong your heart and firm your footsteps.
If/when the slumber/dozing/lethargy covers/comes upon you safety/security from Him, and He descends water on you from the sky to purify/clean you with it and eliminate/wipe off the devil`s filth , and to bond/encourage on your hearts/minds and affirm/strengthen with it the feet.
Remember (before the battle of Badr) when He caused drowsiness to overcome you as an assurance from Himself, and sent down water from the sky to cleanse you and to remove from you the uncleanliness caused by Shaitan, to strengthen your hearts and to steady your feet therewith.
And Allah gave it only as good news, and that your hearts might be at ease thereby. And victory is only from Allah; surely Allah is Mighty, Wise.
The slumber that overcame you was from God that brought you peace. He showered water from the sky over you to clean you, remove satanic wickedness from you, strengthen your hearts, and grant you steadfastness.
When He made the slumber fall upon you as a reassurance from him and sent down water from the sky upon you, that thereby He might purify you, and remove from you the fear of Satan, and make strong your hearts and firm (your) feet thereby.
When He caused calm to fall on you as a security from Him and sent down upon you water from the cloud that He might thereby purify you, and take away from you the uncleanness of the Shaitan, and that He might fortify your hearts and steady (your) footsteps thereby.
(Remember) when He covered you with a slumber as a security from Him, and He caused water (rain) to descend on you from the sky, to clean you thereby and to remove from you the Rijz (whispering, evil-suggestions, etc.) of Shaitan (Satan), and to strengthen your hearts, and make your feet firm thereby.
Remember He covered you with a sort of drowsiness, to give you calm as from Himself, and he caused rain to descend on you from heaven, to clean you therewith, to remove from you the stain of Satan, to strengthen your hearts, and to plant your feet firmly therewith.