Why Do We Dream?
8. Dream Lag
When dreaming, we will occasionally recall an event that happened a few days, or maybe a week, beforehand. This is a phenomenon known as dream lag and it is thought that it could be down to how memories become hard-coded into our brains.
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Studies show that around 65% of our dreams are a reflection of something that has happened in our waking lives. Up to 2% of dreams will be a reenactment of the event itself. Regardless, it is thought that certain events will not appear in dreams until the process of having them hard-coded into the brain has been completed.
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