The study phase is a critical period in an individual’s life, during which foundational knowledge and skills are developed, directly influencing academic and professional success; however, many students fall into common mistakes that negatively impact their learning outcomes and overall performance, one of the most frequent issues is relying on memorization without understanding, which limits the ability to apply knowledge effectively in exams and real-life situations, procrastination is another major challenge, as delaying tasks leads to increased stress and poor time management, additionally, ineffective time organization and studying in distracting environments, such as those filled with digital interruptions, reduce concentration and productivity, failing to take proper notes during lectures and depending excessively on others for information can also weaken comprehension and engagement with the subject matter, lack of regular revision contributes to forgetting information quickly, especially when learning is not reinforced, moreover, neglecting physical and mental health, including insufficient sleep and poor nutrition, significantly affects cognitive performance and focus, to overcome these challenges, students should adopt effective study strategies that emphasize understanding, time management, and active engagement, while also maintaining a healthy lifestyle and utilizing modern educational tools, ultimately, avoiding common study mistakes is essential for improving academic performance, enhancing learning efficiency, and achieving long-term success. Al-Mustaqbal University is the leading private university among Iraqi private universities