You can meet later to relax and have fun. Work at a desk or table. DO NOT lie down on a couch or bed to study. Take a break if you need it. Find the best time of day to study.
Some students are most awake in the morning, others think best late at night.
Learn the most optimal time of day for you to concentrate and study. Review the day's notes when classes are over. You'll deal with questions about class material when it's fresh. In this way you'll avoid the need to cram for tests. Set up a study schedule that includes a few hours each day .