Al-Kahf · Ayah 11
فَضَرَبْنَا عَلَىٰٓ ءَاذَانِهِمْ فِى ٱلْكَهْفِ سِنِينَ عَدَدًا
So We cast [a cover of sleep] over their ears within the cave for a number of years.
Quran 18:11 (Al-Kahf) · Saheeh International, Noor International Center (QuranEnc v1.1.2)