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كيف كان يستيقظ البشر من نومهم قبل اختراع المنبّه؟

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مع تقدم التكنولوجيا أصبح هناك أشكال متعددة من المنبهات، من المنبه العادي في الساعات إلى الهواتف المحمولة والأجهزة الإلكترونية، وهذا ما ...

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