18:11
فَضَرَبْنَا عَلٰٓى اٰذَانِهِمْ فِی الْكَهْفِ سِنٖینَ عَدَدًاۙ
Fadarabna AAala athanihim fee alkahfi sineena AAadadan
Translations
So We cast [a cover of sleep] over their ears within the cave for a number of years
Saheeh International
Then We sealed up their hearing in the Cave for a number of years
Marmaduke Pickthall