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You won’t believe it: scientists discovered what really happens in the brain when we dream

You won’t believe it: scientists discovered what really happens in the brain when we dream

A group of researchers at Imperial College London discovered that the ability to clear brain debris is most efficient during the awake state.

Freepik.

While we all need sleep, very few really know why. In recent years, lThe theory of the glymphatic system gained groundproposing that sleep plays a fundamental role in cleaning the brain.

However, the scientific community does not entirely agree. Recent research has yielded unexpected results: The waste elimination process is more effective during the waking state than during sleep.

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What happens in the brain while we dream

Previous studies found thatCerebrospinal fluid (CSF) flow in the brains of mice increased during sleep. In this way, it was concluded that sleep could function as a mechanism capable of eliminating toxins and waste.

However, new research by a team of scientists at Imperial College London questions this theory. The researchers suggest that increased CSF flow could be a result of decreased drainage.

In the context of the brain, increased cerebrospinal fluid flow during sleep could be a result of decreased drainage capacity. Scientists suggest that cerebral blood flow is faster during wakefulness compared to sleep.

Source: Ambito

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