Concentration during long exams can be challenging, even for those in good physical shape. To prepare, studying in increments that mimic exam conditions, such as four-hour sessions, is recommended. Taking short breaks every 30 minutes can help refresh focus, along with techniques like deep breathing and scanning the exam paper initially to reduce anxiety. Practicing with past papers in a timed environment enhances time management skills. Some participants shared personal experiences, noting the importance of knowing one's concentration limits and the potential for making mistakes when fatigued. While some suggested distractions like looking around the room, others cautioned against it due to proctoring rules. Overall, effective strategies include managing breaks, maintaining hydration, and avoiding cramming before the exam.