Study is a main duty of students. Many students feel study is so hard and difficult. There are various different reasons that might play the vital role in making students lazy and inactive as far as the studies concerned, but few of the reasons which are considered to be significant and the most crucial one are being listed below:The first reason of being lazy in during the studies is the incomplete sleep, if the students are not having the proper sleep during the night they will always feel lazy and dizzy while their studies.Many students are stuck in game or addicted the internet. They are awake all night to online, chat, surf facebook or do something else relating the internet. Studies is a mental activity so it require the freshness of the mind which is mainly achieved through proper sleep and once the sleep is not being taken properly than the laziness will prevail during the studies.The second reason is many students never think about future, plus they are involved in too many activities and having too much fun.The third one is the specialty which they are pursuing is not in line with their hobbies and dream.Therefore, they feel boring and uncomfortable on studying it. Many students go to university because of their parent’s request, do not because they like it. Almost people do not want to be obliged; they want to do what they like. So, some students are lazy in studding subjects that they hate or do not like are easy to understand.In additions, the lesson is not interesting, procrastination, more interested in playing and watching television than studying are also reasons of being lazy in studying. Many students slept while teacher was teaching because they feel insipid and sleepy with the lesson. Especially, studying for long continuous hours, their body is tired and can not continue studying any more.In general, there are many objective and subjective reasons of being lazy in studying of students. Students should find out the causes and try to overcome them. We will have a good future if we study hard and go on the right way.