Start with a planet hitting the earth

"When the excitement wears off, a person's memory will begin to weaken, their reaction time will increase, and they will become somewhat sluggish."

Ya snuggled into Chen Yuan's arms with great interest and told Chen Yuan about sleep.

"After 48 hours without sleep, a person's immunity and judgment will be damaged." Ya raised his face, looked at Chen Yuan, and said, "Then you will feel sick, and your hearing, vision, and touch will become worse. And your temper will become bad."

"The reason why this happens is that the human cerebral cortex has many areas. You know, hearing, vision, and touch are all connected to the brain. When the brain cannot rest, they start to work passively."

Chen Yuan hummed: "Then what?"

"Then, if it comes to the third day, you will be very, very tired, and your body will only think about sleep and nothing else. At the same time, your memory will get worse and worse. What others said before will be forgotten in the next second. "Ya Shi Ou: "It's just like being drunk."

"It's because your brain is filled with garbage and that garbage hasn't been cleared out."

Having said this, Ya paused, looked at Chen Yuan, and said with a smile: "Garbage is the brain's metabolites, and some of the remaining metabolites will turn into toxins. Elderly humans will have a disease called The disease of ‘Alzheimer’s disease’ is caused by those toxins.”

"Well..." Chen Yuan held Ya's little hand. He looked at her and said with interest, "What if I haven't slept for four days?"

Ya looked at the little hand held by Chen Yuan and said, "If you haven't slept for four days, you will see a lot of hallucinations."

"The people in your eyes may become distorted, and there will be movement all around." Yaxiao said, "To put it simply, everything in the world becomes very strange, and that is an illusion."

"The occurrence of hallucinations does not necessarily have to occur after five days. It is related to the individual's constitution. Some people will have hallucinations if they don't sleep for a day."

"Hmm... That's interesting. What about the sixth day?" Chen Yuan looked at Ya and said with a smile.

Yaxiao said: "On the sixth day, your language ability is almost gone. Your speech speed becomes slower and slurred, and you have almost no logical ability. Your mobility will also be lost. Because the brain cannot rest and garbage accumulates. Too much. I can’t coordinate my body.”

"After that, a special situation will happen to you." Ya Xiaoxiao leaned her head on Chen Yuan's arms and said, "Those cells in the brain will sleep secretly."

"It's microsleep. You don't sleep, but some cells will fall asleep. It doesn't last long, just a few seconds." Yaxiao said, "Maybe you think you are still awake, but some cells in your head The cells are already sleeping."

"That's why you forget what you said one second and forget it the next."

Chen Yuan thought for a moment and said, "What happens next? Is there anything else strange?"

"Well..." Ya said: "For ordinary people, very few can survive until ten days in this situation. After ten days, the body will show all the symptoms I mentioned before. Then the heart will speed up, Sudden death is a possibility at any time.”

"This is because the body cannot rest and is in a state of stress for a long time. That state will secrete some hormones, and those hormones can increase the heart rate and increase blood pressure."

"At the same time the immune system collapses."

"At this time, even a very healthy person may die anytime and anywhere."

Ya looked at Chen Yuan and smiled: "Of course, that is an ordinary person's body, our bodies are different."

"Each of our cells has a strong working ability. It consumes energy when it is running, but when it is consumed, it will automatically absorb external substances to replenish its own energy." Ya said: "Simply put, when we are alive, we will Automatic consumption, natural replenishment, no need to rest or eat. "

"Of course, after all, our bodies are products of technology, but ordinary creatures can't be like us."

As she said that, Ya looked at Chen Yuan. She approached Chen Yuan, leaned into Chen Yuan's arms, and slowly closed her eyes.

Chen Yuan thought for a while: "If we talk about sleeping, when do you think ordinary people should go to bed every day?"

"Well..." Ya said, "If it were us, we would never sleep."

"But if we are talking about ordinary people who have evolved, then the best time to sleep is naturally when it is dark."

Chen Yuan was startled: "It's dark?"

"Yeah." Ya responded: "It's best to go to bed as soon as it gets dark."

"This..." Chen Yuan couldn't help but look at Ya: "Those civilizations that have invented lights only go to bed very late."

Ya smiled and said: "In my opinion, those are against the laws of nature. When living things evolved from primitive to highly intelligent life, most of them had two kinds of creatures, one was a creature that moved during the day, and the other was Creatures of the night.”

"The humans you are talking about are creatures that move during the day."

"When they evolved from primitive to highly intelligent creatures, they acted during the day and fell asleep during the day."

"So, the genes for moving during the day and sleeping at night have been engraved in the genes. Using lights to move around at night is actually going against nature."

Ya looked at Chen Yuan and smiled playfully: "However, with the development of civilization, the human body will gradually adapt, and eventually it will slowly get used to it, and the genes will gradually evolve, and eventually the human body will adapt to that kind of darkness."

"Of course, that kind of evolution and adaptation will take a very long time. It will probably take tens of thousands of years."

Chen Yuan held Ya's little hand and said with a smile: "Okay, let's do some business."

Ya was stunned, she looked at Chen Yuan: "Business?"

Chen Yuan smiled and said: "It's the business you used to look forward to."

While speaking, he looked at Ya with warmth in his eyes.

Looking at Chen Yuan's eyes, Ya understood.

She blushed: "Have you reset your feelings again?"

Chen Yuan smiled and said: "No, it's just... you are too cute."

Ya blushed, slowly hid her little face in Chen Yuan's arms, and said: "Bad guy."

Chen Yuan stroked Ya's hair.

He suddenly remembered something and asked out loud.

"Did the people of Earth civilization before I became a celestial body already have genetic evolution and adapt to night activities?"

"Of course not."

"Genetic evolution takes a very long time. The genes of the Earth civilization you were in when you became a celestial body had not yet reached that level."

"Oh..."

"Okay, let's get down to business."

"Rogue..."