When I was a full-time student, I was also one of the students who spent all night the day before the exam, expecting to get a high score. Cramming can be a quite useful technique if you have a limited amount of time but want to pass the exam. However, cramming is not the ideal way to study because it gives you no higher grade, health problems, and no lasting information.
First of all, habitual cramming gives you a lower grade. Cramming is about absorbing a large amount of information in a very limited time. Crammer has to use quick memorizing technique which will be forgotten very soon. Without good preparation, good result cannot be expected. From the article in Los Angeles Times, The Answer to Finals: Cramming, by Lisa Richardson, she introduces a crammer, Nimmi Sidhu, 23, at the California State University in Fullerton. In the finals, she has to read an entire statistics textbook. She also must memorize everything that had happened since 1600 such as The Industrial Revolution, World War II, The Cold War and the Ottoman Empire for her World History course. Geology book is another one she has to go through. In such situation, she is not able to