Concepts build on one another. You need to grasp what we are talking about now so that you can comprehend what will come up next. Do quality studying. You should find a comfortable, quiet place to concentrate on your courses. I am going to be asking you questions on the exams, so you should study by asking yourself questions.
Study groups can be great ways to quiz each other.
For each lecture I announce the review questions in the text and the study questions on the handout that apply to that lecture. You should work on these the same day as the lecture. Take advantage of the 10 min. Your brain has only so much ability to integrate information in one night, no matter how long a night it is. Psychological studies have shown that comprehension and recall ability diminish rapidly after two hours on a subject.