Can you sleep in a car without the windows open?

It is not dangerous insofar as carbon monoxide poisoning is concerned if your ENGINE IS OFF and you sleep in your car with the windows closed. Unless you have a very old and leaky engine/high emissions car, in which case the window seals are probably shot, too.



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Answer. The easy answer to this question is that you will never run out of air. You will just exchange the breath that you breathe in with the breath that you breathe out.

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A. It is legal to sleep in your car, but not to camp. That means you can't have chairs and things on the outside. (Or dump water the street.)

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You're fine. Stop insisting that the vents on a car automatically close when the car is shut off. THEY DON'T.

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You can park anywhere as long as it's not forbidden. Car camping is allowed in most European countries, except Slovenia that fines heavily sleeping in the car outside of the designated (and very expensive) spots.

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