Why promising and aspirant young always are drowsy in the rain? Is your self-control bad or because of the other reasons? The following content may be able to answer the doubts. At first, the white noise is a natural lullaby. White noise refers to the uniformly distributed noise in the whole frequency domain. It is different with other noise, white noise will make people feel calm and easy to fall sleep. When people are under the particularly quiet and noisy environments, they will not sleep. However, people are easy to fall asleep at a relatively soothing and regular sound environment such as the sounds of rain, falling leaves and turning fan, and the sound of the old professor lectures. Some insomniacs neurasthenia will go to buy a special white noise generator to help sleep. At second, because of the low air pressure in rain weather, so the sympathetic is not used well. Sympathetic has the relationship with the excited. When the weather is nice, the oxygen content of the air is high, which could provide the full complement of energy for the human body to stimulate the human sympathetic nerve more activity. When the rain weather comes, because of the low air pressure, the oxygen content of the air is less, so people will appear in the case of rain drowsy. At third, melatonin is also involved in trouble. Body will increase the secretion of melatonin in the dimly. The role of melatonin is to make people tired. On the other contrary, bright then reduced secretion of melatonin. At Forth, it possibly related with evolution. Many human behaviors are related with the early evolution. For example, the human are alert for the sounds of grass, which is derived from the innate fear of snake. When men choose the spouse, they prefer for women with porcelain white skin, because they look younger, but also more likely to have a higher social status. Similarly, the rain’s sleep may also are related with evolutionary. At ancient times, humans generally lived in caves or thatched houses, so they are worry about that the animals will attack them at night. At the rain day, the animals will not appear, so people will relax their vigilance to get a brief sense of security. After thousands of years of evolution, people followed this habit. When people feel tired after working for a whole day, most of them choose to relax by playing online games sell ffxi gil. They often go to ffxi gil sell and buy gold.
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