Wake up in the middle of the night headache how to return a responsibility?

summary

I often hear people talk about headache and insomnia at night. When I go to the hospital for physical examination, all the indicators are normal, and I can't find any problems. Usually, the doctor suggests that I should exercise more. But even if more exercise is no obvious effect, so some people have been plagued by this small problem, unbearable. Today, let me tell you about the headache after waking up in the middle of the night?.

Wake up in the middle of the night headache how to return a responsibility?

First: now it's winter again. First, it's cold and the temperature is low. Second, haze is rampant again. People usually close the doors and windows. In addition, the modern building is highly airtight, which directly causes the indoor air not to circulate. Over time, the concentration of indoor carbon dioxide increased, and hypoxia.

Second: when the concentration of carbon dioxide reaches more than 1000ppm and there is lack of oxygen in the room, it is natural for people to have insomnia or headache. If you have headache and insomnia at night and can't find out the cause, you should consider whether the indoor air quality is a problem.

Third: in this age of haze, opening windows has become a luxury. What? You would rather have a headache and insomnia than be drowned in a haze. I understand. Everybody knows.

matters needing attention

Any machine will have sound when it is running, but the fresh air system is placed indoors. Considering the possible sound interference, the system is specially silenced. For example, in the selection of main engine bearings, the use of noise reduction materials, the installation of the main engine in the toilet, storage room and other places far away from the bedroom, the use of aerodynamic principles to design in and out of the air duct and other measures, to minimize the noise, basically no impact on the user structure.