Al Kahf, 11 Ayah
18:11
فَضَرَبۡنَا عَلَىٰٓ ءَاذَانِهِمۡ فِي ٱلۡكَهۡفِ سِنِينَ عَدَدٗا ١١
Fađarabnā `Alá 'Ādhānihim Fī Al-Kahfi Sinīna `Adadāan
So We cast [a cover of sleep] over their ears within the cave for a number of years.