فَضَرَبْنَا عَلَى آذَانِهِمْ فِي الْكَهْفِ سِنِينَ عَدَدًا
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سورة الكهف
(18/11) So We caused them to lie down (to go in to a deep sleep) on their ears (so that they might hear the Dhikr of their hearts) in the Cave for a number of years.
Surah Al-Kahf