18:11
فَضَرَبْنَا عَلَىٰٓ ءَاذَانِهِمْ فِى ٱلْكَهْفِ سِنِينَ عَدَدًا
faḍarabnā ʿalā ādhānihim fī l-kahfi sinīna ʿadadan
We sealed their ears [with sleep] in the cave for years.
Therefore We covered up their (sense of) hearing (causing them to go in deep sleep) in the Cave for a number of years.