Affect mental health and reduce the concentration in the interest to learn, because they are blurry, but focused on call at all times, whether sat wake up until they go to bed.
Affect mental health and reduce the concentration of attention classes. But because they were busy concentrating on the telephone all the time, whether awake until bedtime.
Affecting mental health and reduce the concentration in the interest of learning. Because they thought to concentrate on the phone all the time, I got up and went to bed.