If you think that sleep is a peaceful and uninterrupted process, you are not alone. Many of us believe that a healthy night’s sleep should be spent in deep silence until morning, but… Our brains are not as quiet as we think.

In fact, sleep is a much more complex process than you think and our brains are involved in this process. He wakes up a lot. Let’s see what happens after our head hits the pillow.

The hormone ‘norepinephrine’ fluctuates during sleep.

“Norepinephrine,” known as the neurotransmitter associated with stress, activates our “fight or flight” response and allows us to focus. Interestingly, norepinephrine levels during sleep regular fluctuations It shows.

During these fluctuations, the brain wakes up occasionally, but most of us don’t notice this because it is very short-lived. So that every night at least 100 times This situation occurs.

These awakenings serve to improve our cognitive function.

Celia Kjærby, one of the authors of the study at the University of Copenhagen, said that this brief awakening allows the brain to reset itself so that when sleep continues, processing learned information and strengthening memory expresses.

Experiments have shown that brief awakenings occur during sleep It plays a major role in strengthening memory reveals.

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