Can Sleeping in a Car with Air Conditioning On in Summer Be Fatal?

1 Answers
MacCody
07/29/25 9:57am
Cars are enclosed spaces, and sleeping in such an environment can lead to carbon monoxide poisoning, which may be fatal. Below is some information about sleeping in a car with the air conditioning on: 1. Safety Hazards: When a car is stationary, the exhaust fumes produced do not dissipate as they would while driving and can be drawn into the car by the air conditioning system, leading to carbon monoxide poisoning. If the car remains closed for a long time, the oxygen level inside will gradually decrease, which can cause suffocation and death when sleeping inside. Therefore, sleeping in a car with the air conditioning on is unsafe. 2. Precautions: If you must sleep in a car, it is best to use the air conditioning's external circulation mode. This mode draws in outside air, helping to maintain air circulation inside the vehicle.
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