“…However, the transformation of this widespread use of smartphones to addiction has been reported to have negative effects on the feeling of satisfaction with life, happiness levels, and subjective well-being of young people (Kozan, Kavaklı, & Cutter, 2019;Çelik, 2018;Lepp, Barkley and Karpinski, 2014;Park and Lee, 2012). Apart from the stated psychological problems, hand and neck dysfunctions, headache, and poor sleep quality physiological problems are also among the negative effects of smartphone addiction (Sülün, Günay, Sarman and Dertli, 2020;Günal and Pekçetin, 2019;Koças and Şaşmaz, 2019;Randjelović, Stojiljković, Radulović, Stojanović and Ilić, 2019;Keskin Ergan, Başkurt and Başkurt, 2018;Yorulmaz, Kıraç and Sabırlı, 2018;Demirci, Akgönül and Akpınar, 2015).…”