What's the effect of sleeping in the car?

If you sleep in the car with the window closed for a long time, it is easy to suffocate due to lack of oxygen in the car, which leads to life-threatening. Try to avoid sleeping in the car, especially for a long time. If you have to sleep in the car, you can do it on the premise of ensuring ventilation. Remember to ventilate to ensure the air exchange inside and outside the car. The related introduction is as follows: 1. To sleep in the car, we must first ensure that the vehicle is parked in a relatively open and ventilated place. Then try to open the window before going to bed to ensure the air exchange inside and outside the car. 2, short-term sleep can turn on air conditioning and air circulation to ensure basic ventilation. After flameout, it is impossible to maintain long-term ventilation only by battery power.