For example, music affects our mind and not concentrated work. If we are learning or working, music will influence the process of learning and working. Furthermore, with music accompanied by words, we lose focus on what we are doing. So we will pay attention to the lyrics. This is the song we like to listen to. On the other hand, if we don't care about a song, we feel uncomfortable, painful even if our body is not hurt at all. Subsequently, even instrumental music will make us lose concentration and make us even more drowsy. Therefore, we should limit listening time