Cramming for exams is a common habit among students, but it is one of the least effective strategies for achieving meaningful learning or long-term success. At its core, cramming relies on short bursts of intense memorisation, often the night before an assessment, with little time for reflection, practice, or consolidation. While it may allow students to recall some facts temporarily, the knowledge is rarely retained beyond the exam. This undermines the entire purpose of education: to build lasting understanding and transferable skills.
One of the key issues with cramming is its impact on memory. Human brains consolidate information into long-term memory through repetition, active engagement, and spaced practice. When learning is compressed into a few hours, there is no opportunity for the brain to properly encode or reinforce concepts. This leads to surface-level recall at best and confusion under exam pressure at worst. In contrast, studying consistently over time enables stronger connections between ideas and fosters deeper comprehension.
Cramming also has significant negative effects on mental and physical wellbeing. Late-night study sessions often cut into essential sleep, leaving students fatigued, anxious, and less focused during exams. Sleep deprivation impairs problem-solving, decision-making, and memory recall, all of which are crucial for academic performance. Furthermore, the stress associated with cramming can create a cycle of panic and burnout, reducing motivation for future study.
Most importantly, cramming prevents students from engaging with material in a meaningful way. Exams often test not only recall but also the ability to apply, analyse, and synthesise information. Without steady preparation, students struggle to move beyond rote memorisation. Developing a structured study routine, practicing active recall, and spacing learning sessions are far more effective methods. By avoiding cramming, students not only perform better on exams but also cultivate skills and knowledge that endure long after the test is over.
Michael Fry