Can You Sleep in a Car with the Engine Running?

1 Answers
BraxtonDella
07/29/25 9:03am
Whether you can sleep in a car with the engine running is explained as follows: 1. No, sleeping in a car with the engine running may cause minor damage to the vehicle, but it can also lead to fatal oxygen deprivation. 2. People should not stay inside a car for extended periods, as inhaling the carbon dioxide and other exhaust fumes produced by the car can lead to poisoning, and once unconsciousness occurs, tragedy may follow. Additional information: 1. When a car is idling in place, you should not stay inside for too long. The exact duration depends on environmental and climatic conditions. With wind, about 15 minutes may be safe, but without wind, do not exceed 5 minutes. Car exhaust contains a large amount of toxic gases, especially carbon monoxide, which is present in higher concentrations during idling. 2. Due to the high density of carbon monoxide, the exhaust emitted from the tailpipe can create a high-concentration zone of carbon monoxide around the car, which can enter the cabin through the air vents and accumulate inside. 3. When the car is stationary, whether you are running the air conditioning, heating, or just idling, you should not remain inside the car for long periods, as this is very dangerous. Prolonged engine idling does not actually have any adverse effects on the engine. If it were truly harmful, manufacturers would include features or warnings to limit idling time, so there is no need to worry excessively about this aspect.
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