US, WASHINGTON (ORDO NEWS) — A person spends about a third of his life in a dream. Many scientific articles are devoted to sleep, but it still remains a mystery why a person should spend so much time lying with his eyes closed. Let’s understand what a dream is and why it is needed?
Aristotle believed that in a dream a person finds peace and harmony with nature. His soul begins to possess the gift of clairvoyance. Also, the philosopher was sure that sleep was needed to relax the sensory organ. Aristotle was more right. Thanks to sleep, we recover after a long day and gain strength.
At the beginning of the 20th century, scientists considered dreams to be part of the physiological processes that occur in the body during rest. The theory that various chemicals in the brain are scattered through dreams was quite popular. However, in our time, scientists have refuted it. Now they agree that sleep reloads the brain. During sleep, we free the brain from unnecessary information that has accumulated over the day.
It has also been proven that during REM sleep, which lasts about 30-40 minutes, the blood pressure on the brain increases, and it quickly changes its activity. That is why, waking a person after this phase, you can safely wait for a detailed story about his dream. But the person who slept for more than seven hours, most likely did not remember all the dreams that he saw, only the last. And then in a very blurry form.
But if you neglect the dream, this is what can happen:
- Diabetes, because with a lack of sleep, insulin resistance of cells develops.
- Risk of accident.
- In the body, glucose metabolism may be impaired.
- The risk of heart disease.
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