Learning Memory & Learning

Learning While You Sleep

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Throughout the day, we are thinking and using our brains. A side effect to this is that our brains slowly build up toxins which can impair our ability to think and learn.

When we sleep, our brain flushes out these toxins – which is why when you’ve been awake for a long time, or had little sleep you don’t feel as sharp, your brain is full of thought-restricting toxins.

During sleep our pre frontal cortex (thinking brain) rests and allows the rest of the brain to work peacefully. While sleeping our brains often revise what we have learned and forge stronger neural links. However, they also clear away ideas and memories which it feels are less important.

When we’re in REM-sleep our brains are in diffused mode and are more likely to build new connections and generate new ideas during this phase. You can prompt yourself to dream about a certain problem or event by thinking or reading about it before bed and even by saying to yourself that you WILL dream about it.

Alternatively, you could try your hand at lucid dreaming. Essentially being able to direct your dreams by being aware that you’re dreaming. You can do this by keeping a dream journal and writing about your dreams the moment you wake (before you forget).

Another method is to “wake” yourself while dreaming (similar to Inception). Great ways to do this are to look at clocks or writing. If you’re dreaming the writing will change and you can’t really focus on the words, additionally, if you look at a clock, look away and then look back again  the time will have changed.

I often ignored it as a student, but a decent sleep has a huge positive impact on much you’re able to learn and remember. Multiple studies have shown that when students cram for an exam the night before, they tend to perform worse than students with the same level of knowledge and confidence who didn’t cram but got 7.5+ hours sleep.

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