Harm of blowing fans all night
You may catch a cold.
Blowing the fan can bring people a cool feeling, but if it is blown for too long, it will lead to the temperature drop of the human body as a large amount of sweat evaporates, which will cause cold symptoms.
Increase fatigue
When blowing a fan, the skin surface temperature will drop and the pores will close. Therefore, if it is blown for a long time, the sweat of the body will not be distributed in time, causing fatigue, backache and other phenomena.
Probably had a stroke.
When the human body sleeps, the epidermal blood vessels relax, the pores expand, and the body surface temperature is relatively low. At this time, if the fan is blown excessively, especially on the head or body, it will easily lead to vasoconstriction and poor blood flow, resulting in local nerve hypoxia, ischemia and other stroke phenomena.
How to blow a fan is healthier?
Control wind speed
According to modern science, it is best to control the indoor wind speed at 0.2-0.5m/s, especially in well-ventilated rooms and places with through flow. Generally, the fan can be turned on at the minimum gear.
Not suitable for direct blowing
If the fan blows directly at people, it is very easy to cause wind evil to enter the body, especially when you are weak or sweating. So when using the fan, it's best to keep it in swing mode or let the fan blow in the other direction.
Which is more harmful to human body, fan or air conditioner?
If fans and air conditioners are not used scientifically, they may be harmful to human health, but there is no clear standard about which one is more harmful to health. Therefore, in order to avoid affecting health, it is suggested that both fans and air conditioners should set appropriate temperature and wind speed, and start the swing mode.
Secondly, it should be noted that fans and air conditioners generally play their own refrigeration characteristics according to different environments. For example, when the temperature is not so high, generally only the fan is turned on to keep the room ventilated and cool, while the air conditioner is only used when the temperature is relatively high and the humidity is relatively high.
Can the fan and air conditioner be turned on together?
We can drive together.
When the fan is used in conjunction with the air conditioner, it will not cause any adverse effects on the health of electrical appliances and human health, and under the action of the fan, the low-temperature air can spread faster and the ambient temperature will cool down.
Moreover, doors and windows need to be closed when the air conditioner is turned on, which leads to poor air circulation. If you turn it on with the fan, it can speed up the indoor air circulation, so the fan and air conditioner can be turned on together.