The second reason is social media addiction. Most of the students will play social media when they are bored studying in classes. When students have free time, they take their phones to play social media. The last reason why students fail an exam is they cannot allocate their time in learning. They don’t read the book before the exam because they take the time to do other things, such as playing games, shopping, watching a movie. Some students read the book before the test one day, so this reason make them wake up late and late for exam.