iPad inauwezo wa kukata usingizi

iPad inauwezo wa kukata usingizi

Smartbrain

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Uchunguzi uliofanywa na wanasayansi umeonesha kwamba mwanga unaotolewa na ipad wakat unopotumia hasa ni wakati wa usiku unafanya mtumiaji kukosa usingizi nakumchochea mtumiaji aendelee kutumia,
 
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