Why Cramming is A Bad Study Habit You Should Stop Now! (and How to Study Instead)

Still relying on cramming the night before exams? Discover why cramming is a Bad study habit, how it harms your grades, and better study habits that actually work.

STUDENTS

Achiever Tandoh

9/27/20258 min read

Why You Should Stop Cramming!

Almost every Cambridge student has crammed for a test or exam at some point. Maybe it was the night before an important paper when you realised you just weren’t prepared, or maybe you just kept procrastinating because you thought you still had time. Whatever the case, you forced yourself to stay up late, flipping through your notes, re-reading textbook chapters, watching YouTube videos and trying to memorise as much as possible in a short time.

In the moment, cramming feels like a solution. You convince yourself that if you just push through one more hour (maybe two…) you’ll somehow stuff all the formulas and examples into your head. This gives the illusion that you’re making progress because you’re busy, alert, and focused on your schoolwork. And yes, you might actually feel that you are learning a lot.

You might walk into the exam room with a few facts and worked examples fresh in your memory, but most of it slips away as quickly as it arrived because you weren’t actually learning. You begin to struggle to recall key steps, mix up methods, or blank out completely when faced with a tricky question. And worse, cramming doesn’t build the real understanding you need for Cambridge Maths, or any subject, in the long run.

Cramming isn’t just unhelpful—it’s one of the fastest ways to burn out and damage your confidence in maths. So why do so many students keep doing it? Because it feels productive in the moment. You feel like you’re working hard, but in reality, cramming is like pouring water into a bucket full of holes—it never stays.

In this post, we’ll explore why cramming doesn’t work, what it does to your brain, and most importantly, the smarter strategies you can start using to actually prepare well in a way that really works.

Why Cramming Doesn’t Work

a man sitting in front of a computer in the dark
a man sitting in front of a computer in the dark

Let’s start with the science of learning. Your brain isn’t designed to hold onto a massive flood of information at once. Think of it like trying to carry a lot of groceries from the car in one trip—you might get to the door, but you’ll probably drop half of it along the way.

When you cram, here’s what happens:

1. You overload your short-term memory.

Your short-term memory has a very limited capacity. You might remember something for a few hours, but without reinforcement, you quickly forget it. That’s why you often “blank out” in the exam even though you were studying all night.

2. You don’t actually understand anything.

Cramming makes you feel like you’re learning when you’re not. Psychologists call this “fluency illusion". You read the same page over and over, so it feels familiar. That familiarity tricks you into thinking you’ve mastered it.

For example, if you keep reading the quadratic formula before bed, it feels like you’ve memorized it. But in the exam, under pressure, can you still write it correctly from memory and actually use it in a problem? If you only crammed, the answer is usually no.

Maths especially isn’t about memorizing—it’s about understanding and applying. When you cram you think you know the steps, because everything is fresh in your memory, you might even be able to solve a few difficult questions, but if the exam twists the question, you’re stuck. You get the illusion of learning, but you don’t really understand, you are just remembering the steps you saw few minutes ago in an example.

3. You increase stress and fatigue.

Staying up late to cram doesn’t just hurt your memory; it also wrecks your focus. A tired brain is slower, less accurate, and more likely to make silly mistakes.

In other words, cramming gives you the illusion of preparation without the results to match. You think you’re ready until the paper is in front of you. Even if you manage to pass, you would’ve probably done much better if you hadn’t crammed.

What Cramming Does to Your Brain

Let’s dig deeper. Why is cramming so ineffective from a biological perspective? It all comes down to how memory works.

Your brain stores knowledge in two main stages:

  1. Short-term memory – information you can recall quickly, but it fades away fast.

  2. Long-term memory – information that’s been processed, reinforced, and stored so you can access it later.

Cramming dumps knowledge into short-term memory but doesn’t give your brain enough time to transfer it into long-term storage. That transfer process needs repetition, rest, and spacing over some time.

Think about it this way: learning is like baking a cake. If the recipe asks you to bake a cake at 100 degrees for 30 minutes and you instead chose to bake at 300 degrees for 10 minutes, would you get the same results? No. Some things can’t be rushed; the same applies to learning. Your brain needs time to process and store the information.

Worse still, lack of sleep, which usually comes with cramming, hurts your ability to consolidate memories. Sleep is when your brain organizes and stores what you’ve learned. So pulling an all-nighter doesn’t just limit memory, it actively erases your hard work.

The Emotional Cost of Cramming

Cramming doesn’t only affect your grades. It also affects how you feel about learning.

When you rely on last-minute study, you put yourself in a constant cycle of stress and panic. You don’t build confidence because you never feel truly prepared. And when the results come back and they’re not what you hoped for, you blame yourself instead of the broken study method you used.

Over time, this makes students believe harmful things like:

  • “I’m just not good at maths.”

  • “No matter how much I study, I can’t improve.”

  • “Studying is always stressful.”

But the truth is, it’s not you, it’s the cramming. A poor method will always produce poor results, no matter how hard you push. Studying 8 hours straight the night before a test, is not the same thing as studying one hour a day a week before the test. So, although you might be putting in a lot of effort by counting the hours, you are using the wrong approach. That’s the difference between studying harder and studying smarter.

What to Do Instead of Cramming

Okay, so we’ve established that cramming is a bad study method that you should avoid. But what’s the alternative? How do you prepare for exams in a way that actually works?

The answer is active, consistent study methods. Let’s break down a few habits that help you learn, remember, and perform better.

1. Space Out Your Studying

Instead of stuffing everything into one night, spread it out over days or weeks. This is called spaced repetition, and it’s one of the most powerful techniques in education.

For example, instead of doing six hours of trigonometry the night before, do 30–45 minutes of trigonometry every other day for two weeks. Each time you return to the topic, your brain strengthens those memories until they’re solid.

Think about gym training. You don’t get fit by lifting weights once for six hours back-to-back. You get fit by lifting consistently over time. Studying works the same way.

2. Focus on Understanding, Not Memorizing

Maths is about logic, not just recall. Don’t just memorize formulas—understand how and why they work. The more you connect with the meaning behind the formula, the easier it will be to remember.

Understanding sticks. Rote memorization fades.

3. Practice Retrieval

One of the biggest mistakes crammers make is re-reading notes. Reading feels easy, but it doesn’t test whether you can recall the information on your own. Instead, try retrieval practice.

Close your notebook and ask yourself:

  • Can I solve this problem without looking?

  • Can I explain this concept in my own words?

  • Can I write down the formula from memory?

Every time you force your brain to recall information without help, you strengthen your memory much more than passive re-reading ever could.

4. Use Past Papers the Right Way

Past papers aren’t just for the night before. They’re your best friends throughout the revision process.

Start using them early, even before you feel “ready.” Work through a few questions, notice where you get stuck, and go back to revise those areas. Over time, you’ll see patterns in how questions are asked, and exam conditions will feel less scary.

The key is to treat past papers like practice matches, not the final game. You don’t need to score 100% right away, you need to train, reflect, and improve.

Recommended Read: How To Use Past Papers Correctly To Boost Your Grades!

5. Rest Is Part of Studying

This one surprises many students: rest is not wasted time. It’s part of learning.

Your brain needs downtime to consolidate memories, process what you’ve studied, and recharge. That’s why short breaks, good sleep, and relaxation actually improve performance.

So, the next time you feel guilty about stopping after an hour of studying, remember this: rest is study too.

6. Build a Study Routine

The best way to avoid cramming is to build habits that make studying regular. Instead of saying, “I’ll study when I have time,” set specific times each day. For example, 5–6 pm after school, or 7–9 am on weekends. Routine makes study automatic, so you don’t end up panicking the night before your exam.

Start small if you need to. Even 20 minutes a day can add up to hours of effective learning over time.

Final Thoughts

Cramming feels tempting because it gives you a quick rush of productivity. But like fast food, it doesn’t fill you for long. The truth is that real learning comes from patience, consistency, and smart study techniques that respect how your brain actually works and help you learn smarter, not harder.

Remember, no one is “bad at maths” or “just not a study person.” What really matters is the approach. With the right habits (spaced practice, active recall, past papers, and rest) you’ll find that studying feels less overwhelming and much more effective.

And if you ever feel stuck, know that you don’t have to figure it out alone. At Chimhanda Tutoring, we specialize at helping students excel in cambridge maths. So reach out and lets figure it out together.

👉 Ready to study smarter, not harder? Book a free trial session today and discover how much easier learning can be with the right support.

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