We all know that an underslept teen finds it harder to concentrate in class, and will generally feel like a bit of a grump. But the importance of sleep for revising and doing their best in exams has been proven by scientists. One of our tutors, Jack B, has been researching the science of sleep for his PhD at Manchester University. Here he’s written his top reasons why sleep is so important, and how your child can get their crucial 8 hours of shut-eye throughout exam season.
As well as resting your body, sleep primes the brain for new memories when you wake up. Each day, our brains become saturated with all the new information we learn, and sleep lets us soak these new memories in so they’ll stay there for the long-term. It also works to make the brain less noisy so it’s easier to learn even more new things the next day.
When we’re sleeping, the brain replays the memories we’ve just made. It’s thought that this process is responsible for the strengthening of new information during sleep. One study showed that participants are more likely to start dreaming about playing Tetris if they’ve played during the day, and this was linked to a higher score when they played again the next day!
With all this in mind, if your child’s appearing more tired as as exams draw near, it’s really important to prioritise their sleep to stand them in good stead for the upcoming challenges. While one good night’s sleep won’t suddenly make them remember everything they’ve been taught in the past year, prioritising it with a regular routine will really help with their learning, concentrating and remembering. Sleep is also really important for staying in a happy mood, and a well-rested teen will be more confident and resilient even as exam stress builds up.
While late-night cramming the night before might have worked with the odd school test, for national exams your teen needs to remember much more than they can learn this way. Once exams have started, panic-revising into the wee hours interferes with memory recall, concentration and, therefore, exam performance the next day. As well as that, the brain is less able to absorb new information late at night, so it’s doubly unhelpful!
Even if your child is putting in the hours through the day, high stress can also interfere with sleep and get in the way of revision. If they work themselves into a tizz with worry, then tossing and turning at night can end up making them less able to concentrate and remember. This can then lead to even more worry, and even less sleep!
To avoid this vicious cycle altogether, laying down a regular routine of 8-10 hours of sleep every night, at the same time, throughout the revision and exam period will put your child in a really good position to charge ahead with their studies and do their best when exams finally come around.
Here are our top tips for getting a good night’s sleep, every night:
It’s the news teenagers across the country have been waiting for – naps help revision! That said, it’s important to get the balance right between boosting energy and sleeping too much. Napping helps alertness, improves memory and even improves creative problem solving. There’s even evidence that dreaming about a task you’ve been working on during a nap boosts memory for that same task.
Neuroscientists at Harvard University showed this in a recent study. People had to navigate a virtual maze and find a tree at the centre, and the aim was to find it as quickly as possible. Half of the participants were given a chance to nap after completing the maze task, and they wrote down any dreams they had during this time. Those who napped before being tested again were able to find the goal in the maze quicker than those who didn’t nap. The participants who improved the most after a nap were also those who dreamed about the maze.
Now, while it’s hard to control whether you dream or not, taking tactical naps during study leave, at the weekend or after school can be a smart strategic move to boost your child’s revision power. Napping should happen in short bursts (5-15 minutes is ideal). Short naps like this can be easily weaved into a day of revision, they can be timed to coincide with natural dips in energy (such as early or late afternoon). It’s also a smart move to set an alarm to end the nap, as resting for too long in the day can make it harder to sleep at night.
While setting down a regular sleep routine for your teen, and encouraging tactical napping lays a great foundation ahead of their exams, we know that managing their exam stress still isn’t easy. And as much as you’d like to help them as a parent, it’s hard to help without the up-to-date subject and curriculum know-how.
By hiring an online tutor, you give your child their own expert helper who can work out a study plan and coach them all the way through revision and exams. As our tutors are all at top universities, they’re fluent in how exam prep and revision should be done, having sat the very same exams as your child in the past few years. With that friendly extra support, your teen should feel some of the stress lift off their shoulders, enabling them to sleep better and perform their best in the exam hall.
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