How to Mentally and Physically Prepare for an Exam

Exam Preparation Planner

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Recommended Sleep 7-8 hours

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It’s 2 a.m. You’ve been staring at the same page for an hour. Your eyes hurt. Your stomach is tight. You know you should sleep, but you’re terrified you won’t remember enough. Sound familiar? You’re not alone. Most people think exam success is about how much they cram - but the real difference comes from how well they prepare their mind and body. Not just their notes.

Start with your sleep - not your notes

Sleep isn’t a reward for finishing your revision. It’s part of the revision. Your brain doesn’t store information while you’re awake. It sorts, strengthens, and files it while you sleep. A 2023 study from University College Dublin tracked 500 students before final exams. Those who got 7-8 hours of sleep every night scored 18% higher on average than those who slept under 5 hours - even when the low-sleep group studied longer.

Don’t pull all-nighters. They don’t make you smarter. They make you slower, forgetful, and more anxious. If you’re cramming at midnight, you’re not learning. You’re just exhausting yourself.

Build a sleep schedule now. Go to bed and wake up at the same time every day, even on weekends. Your brain thrives on rhythm. If you’ve been sleeping at 2 a.m. and waking at 10 a.m., start shifting it 15 minutes earlier each day. You’ll feel clearer by the end of the week.

Move your body like your grades depend on it - because they do

Walking for 20 minutes a day boosts memory recall by up to 25%, according to research from Trinity College Dublin. That’s not a side effect. That’s a direct link between movement and mental performance.

You don’t need to run marathons. You don’t need a gym membership. Just move. Take a walk after dinner. Do 10 minutes of stretching before you open your book. Dance to one song while you make tea. Movement increases blood flow to your brain. It lowers cortisol - the stress hormone that turns your mind to mush.

Try this: every time you finish a study session, stand up and stretch for 90 seconds. Reach for the ceiling. Touch your toes. Twist your torso. Then sit back down. You’ll feel your focus reset. Your brain will thank you.

Stop multitasking. Start single-tasking.

Your phone buzzes. A text pops up. You check it. Then you open a tab for a YouTube video you "just need to see." Then you’re back to your notes - but you’ve lost the thread. This isn’t distraction. It’s cognitive sabotage.

Studies show it takes an average of 23 minutes to fully regain focus after a single interruption. That means if you check your phone five times during a two-hour study block, you’ve lost nearly two full hours of effective learning.

Use the 50/10 rule: 50 minutes of focused work, 10 minutes of total disconnection. Put your phone in another room. Turn off notifications. Use a simple timer. When the timer goes off, get up. Walk. Breathe. Then come back. No scrolling. No checking emails. Just reset.

A student walking peacefully at sunset, symbolizing mental clarity through movement.

Feed your brain, not your anxiety

You’re stressed. You’re tired. You reach for a bag of chips. Or a sugary energy drink. It gives you a quick rush - then a crash. That crash makes you foggy, irritable, and more likely to quit studying.

Your brain runs on glucose. But it needs steady supply, not spikes. Eat whole foods: oats, eggs, nuts, berries, lentils, salmon. These give you slow-burning energy. Avoid sugar-heavy snacks. They’re like lighting a match in your brain - bright for a second, then darkness.

Hydration matters too. Even mild dehydration (just 2% loss of body water) reduces concentration and short-term memory. Keep a water bottle on your desk. Sip constantly. If your urine is dark yellow, you’re not drinking enough.

Train your mind like an athlete trains for a race

Imagine a runner before a marathon. They don’t just run faster. They visualize the course. They practice breathing. They rehearse how they’ll feel when it gets hard. You need to do the same.

Five days before your exam, spend 10 minutes each day visualizing yourself sitting in the exam hall. Picture the room. The clock. The paper in front of you. Feel your hand holding the pen. See yourself reading a question calmly, recalling the answer clearly, writing it down without panic.

Then, practice answering one past paper question under timed conditions - no notes, no phone, no interruptions. Do this daily. Not to memorize answers, but to train your brain to stay calm under pressure.

When the real exam comes, your brain will recognize the situation. It won’t panic. It’ll say: "I’ve done this before. I’ve got this."

A calm student taking an exam at dawn, focused and prepared.

Build your calm - not your panic

Stress isn’t your enemy. It’s your body preparing you to perform. But unchecked stress turns into panic. And panic shuts down memory.

Learn one breathing technique and use it daily: box breathing. Inhale for 4 seconds. Hold for 4. Exhale for 4. Hold for 4. Repeat 5 times. Do this before you start studying. Do it when you feel overwhelmed. Do it right before you walk into the exam room.

It’s simple. It’s proven. And it works faster than any pill or app. Your nervous system resets in under a minute.

Plan your exam day like a pro

The night before, lay out your clothes. Pack your bag: ID, pens, calculator, water bottle, snacks. Set two alarms. Write down the exam time and location. Know how long it takes to get there.

On the morning of the exam, eat a balanced breakfast - eggs and toast, oatmeal with fruit. Don’t try new foods. Don’t skip it. Drink water. Don’t caffeine-load. One cup of tea or coffee is enough. Too much makes you jittery.

Arrive 15 minutes early. Don’t talk to people who are freaking out. Don’t review last-minute notes. That’s not revision. That’s self-sabotage.

Find a quiet corner. Sit down. Close your eyes. Breathe. Remind yourself: you’ve prepared. You’re ready.

What to do after the exam

Don’t replay every answer in your head. Don’t compare notes with classmates. Don’t stress about what you "got wrong."

Give yourself permission to rest. Go for a walk. Call someone who makes you laugh. Eat something real. Sleep. Your brain needs recovery just as much as it needed preparation.

Exam stress doesn’t vanish the second you hand in your paper. But if you’ve taken care of your body and mind along the way, you’ll recover faster. And you’ll be ready - not just for the next exam - but for the next challenge, too.

How many hours should I study each day for an exam?

There’s no magic number. What matters is quality, not quantity. Two focused hours with no distractions beat six hours of scrolling and re-reading. Aim for 4-6 hours of deep work spread across the day, with breaks. More than that, and your retention drops. Less than that, and you won’t build enough familiarity with the material.

Is it better to study in the morning or at night?

It depends on your body. Some people are sharp at 6 a.m. Others peak at 9 p.m. Test both. Track your focus levels for three days. When do you remember things best? When do you feel least tired? That’s your optimal time. Stick to it. Consistency beats timing.

Can I use meditation apps to prepare for exams?

Yes - but only if you use them consistently. Apps like Headspace or Calm can help reduce anxiety, but they’re not a quick fix. Use them daily for at least a week before your exam. Even 5 minutes of guided breathing helps. Don’t wait until the night before to try it for the first time.

What should I eat the night before an exam?

Stick to familiar, balanced meals. Think grilled chicken with brown rice and vegetables. Or lentil soup with whole grain bread. Avoid heavy, greasy, or spicy food. Your stomach is already nervous. Don’t give it more to deal with. And don’t drink alcohol - it disrupts sleep and memory consolidation.

I keep forgetting what I study. What’s wrong?

You’re probably reviewing passively - reading and rereading. Active recall works better. Cover your notes and try to explain the concept out loud. Use flashcards. Teach it to an imaginary student. If you can’t explain it simply, you don’t understand it yet. Testing yourself is the best way to lock it in.

Archer Thornton

Archer Thornton

Author

I have been dedicated to the field of education for over two decades, working as an educator and consultant with various schools and organizations. Writing is my passion, especially when it allows me to explore new educational strategies and share insights with other educators. I believe in the transformative power of education and strive to inspire lifelong learning. My work involves collaborating with teachers to develop engaging curricula that meet diverse student needs.

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