Why is sleeping in a car risky?
Many people have the idea of sleeping in a car with the air conditioner on, and you can certainly sleep well in a car with the air conditioner on. However, there have been cases where sleeping in a car has led to death.
According to Vietnamnet, citing vehiclefreak, the main reason why sleeping for hours in a car with the air conditioner on becomes dangerous is because of carbon monoxide (CO) gas. To operate the car air conditioner means to keep your car engine running.
How dangerous is carbon monoxide gas?
Dr. Nguyen Huy Hoang from the Vietnam-Russia High Pressure Oxygen Center (Ministry of Defense) stated that red blood cells carry oxygen through a compound called hemoglobin. Each hemoglobin molecule acts like a truck to transport oxygen throughout the body.
Under normal conditions, oxygen is carried in arterial blood in two ways, combined with hemoglobin (96-97%) and dissolved in blood (3-4%).
When carbon monoxide enters the respiratory tract, it quickly combines with hemoglobin to form a very stable compound. You can understand it as if this CO gas quickly jumps up and occupies all the space on the trucks (hemoglobin) and stays there.
Therefore, at this time, the hemoglobin molecules in the victim’s blood become useless and are unable to transport oxygen anymore. The victim’s body runs out of oxygen, leading them to suffocate on land.
In addition, carbon monoxide gas is colorless, odorless, and tasteless, so the victims silently fall into a coma without any warning signs.
Sleeping in a car is very dangerous
Survival tips when sleeping in a car with the air conditioner on
When the house experiences a power outage in the hot weather, or when tired after a long journey, many people have the idea of sleeping in a car with the air conditioner on. This is not impossible, but for safety, you need to note the following:
According to Dan Tri newspaper, choose a spacious and shady place to park, limit the exhaust fumes from the exhaust pipe quickly dissipating, and avoid encircling the car.
In the summer, it is difficult to sleep in a car without the air conditioner on, so the solution to get fresh air is to slightly open the windows about 1.5-2.5cm.
Experts advise setting continuous wakeup alarms every 15-30-45-60 minutes to prevent oversleeping in the car for too long, avoiding situations where you are too tired or sleepy and unconsciously turn off the alarm.
Especially, it is necessary to open the windows or use a sunroof if your car has one. Note that the doors must always be locked to prevent theft.
Hanging curtains serves 2 functions: preventing passersby from seeing what is happening in the car and avoiding bright light and insects from entering the car. If you don’t have curtains ready, you can take a firm board and cut it into the shape of a window.
To keep the airflow moving, prepare a small fan.
Sleeping in a car is a last resort. Drivers should proactively plan a suitable route, avoid moving a lot at night if not necessary, and prepare their health to always stay alert.
Source: VTC.vn
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