Herbie Murray
Sleeping in a car can be a necessity for those experiencing homelessness, a way to save money while travelling, or a necessity for those with hypersomnia. It can also be a matter of convenience, such as when a driver needs to take a break from a long journey. However, there are several factors that can make sleeping in a car uncomfortable or unsafe, such as temperature, noise, light, and carbon monoxide poisoning.
| Characteristics | Values |
|---|---|
| Safety | Sleeping in a car can be unsafe due to carbon monoxide poisoning, especially if the engine is running. |
| It is recommended to keep the windows open and install a carbon monoxide detector. | |
| Sleeping in a car can also be unsafe due to extreme temperatures, light, and noise. | |
| To mitigate these issues, it is suggested to park in a safe and well-ventilated area, use eye masks or window coverings, and earplugs or white noise machines. | |
| Additionally, some people choose to sleep in the passenger seat with a sign indicating they are napping for driving safety. | |
| Legality | Sleeping in a car may be illegal in certain locations and is subject to local laws and restrictions. |
| It is advised to research the laws and regulations of the specific state, province, or city. | |
| Some national chain businesses, such as Walmart, allow overnight parking, while some cities have Safe Parking Programs for individuals experiencing homelessness. | |
| Comfort | Sleeping in a car can be uncomfortable due to limited space and varying temperatures. |
| It is recommended to use a sleeping bag, blanket, or extra outerwear to stay warm and consider putting up a tent inside the car for insulation. | |
| Opening the window or sunroof can help with ventilation and temperature regulation. |
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What You'll Learn
Safety and legal concerns
Sleeping in a car can be unsafe due to various reasons, and it is important to be aware of the legal and safety issues that may arise. Firstly, it is essential to check the laws and regulations specific to the state, city, or county you are in, as these vary across the US. While there is no federal law against sleeping in a vehicle, some cities and states have made it illegal. For example, Florida prohibits sleeping in cars anywhere in the Florida Keys, while California allows sleeping at rest stops for up to 24 hours. Therefore, it is crucial to research the regulations in advance to avoid any legal trouble.
In terms of safety, finding a secure location is paramount. Avoid parking on busy roadsides or highways, and instead opt for designated rest areas, truck stops, or business parking lots that allow overnight parking, such as Walmart. It is also important to be cautious about carbon monoxide poisoning, as symptoms may not wake you up. Keep a battery-operated carbon monoxide detector in your car to alert you if the levels become unsafe.
Additionally, maintaining a comfortable temperature is crucial. People tend to sleep better in cooler temperatures, so consider opening a window or using heavier blankets to regulate the temperature. However, be mindful that extremely high temperatures inside the car can lead to heat stroke or even death. Take necessary precautions, such as running the air conditioning if needed, to ensure a safe sleeping environment.
To enhance your safety, consider using a "napping" sign to indicate that you are sleeping intentionally. Keep your driver's license and vehicle registration easily accessible, and be prepared to show your ID without making sudden movements. It is also advisable to lock your car doors to prevent anyone from entering while you are asleep.
Lastly, external factors such as street lights and noise can impact your sleep quality. Use eye masks or window coverings to block out light, and earplugs or white noise machines to create a quieter environment, promoting better sleep while ensuring your safety and compliance with local laws.
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Temperature control
In cold climates, you must take precautions to stay warm while sleeping in your car. One approach is to run the engine and turn on the heating and seat warmers shortly before bedtime to warm up the vehicle. Ensure you have adequate insulation, such as a sleeping bag, blankets, and warm clothing, to retain heat. Keep the windows slightly cracked, even in cold weather, to allow for airflow and prevent condensation buildup. If you're camping in freezing temperatures, consider running the engine periodically to clear condensation and raise the temperature.
On the other hand, sleeping in a car during hot weather brings its own challenges. If your car has air conditioning, running it while sleeping can be tempting, but it's not without risks. Sleeping with the AC on and the engine running can lead to carbon monoxide (CO) buildup, especially if the exhaust system is damaged or the car is in a poorly ventilated area. CO is a deadly gas that can cause dizziness, headaches, unconsciousness, and even death. Instead of relying solely on AC, consider using shade cloths and fans to keep the car cool.
Whether you're dealing with cold or hot temperatures, managing airflow is essential. Always keep a window slightly open, even just an inch or two, to allow fresh air to circulate and prevent the buildup of harmful gases. This simple precaution can significantly reduce the risk of carbon monoxide poisoning, which is a primary concern when sleeping in an enclosed vehicle.
Additionally, be mindful of the impact of temperature control on your vehicle's engine and fuel consumption. Prolonged idling can glaze the engine bores and lead to overheating, especially in older or poorly maintained cars. It's also fuel-intensive, so ensure you have access to refueling if necessary, especially in remote areas.
In summary, when sleeping in a car, prioritize airflow and temperature regulation. Dress appropriately, insulate the vehicle, and use heating or cooling sparingly to avoid engine issues and fuel depletion. Most importantly, always ensure a source of fresh air to prevent carbon monoxide buildup, which can be life-threatening.
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Noise and light
Noise from traffic or people can cause distraction and prevent you from falling asleep. Environmental noise can negatively affect sleep quality, contributing to daytime sleepiness and decreased cognitive performance the following day. To block out noise, you can use earplugs, a white noise machine, or play soft music or pink noise, which can help mask intrusive sounds and create a quieter sleeping environment. Noise-cancelling headphones can also be useful to have on hand.
Light from street lamps or security floodlights can also disrupt your sleep. To reduce light exposure, you can use eye masks or put up window coverings, such as sunshades, sun reflectors, or tinted windows, to limit light entry and promote better sleep. It is recommended to keep the car dark during the night to promote the body's production of melatonin, the sleep hormone.
Additionally, when deciding where to park for the night, consider well-lit areas for safety, but be aware that this may interfere with your sleep due to the light. Rest areas, public parking lots, truck stops, and certain 24-hour businesses may allow overnight parking. However, always check local laws and regulations to ensure you are permitted to sleep in your car in your desired location.
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Carbon monoxide poisoning
Carbon monoxide is a highly dangerous, colourless, odourless, and deadly gas. It is produced when fuels such as wood, coal, charcoal, oil, natural gas, propane, and methane burn incompletely. Inhaling too much carbon monoxide can be fatal, and it is especially dangerous when sleeping in a car as the gas can build up quickly in an enclosed space.
To prevent carbon monoxide poisoning when sleeping in a car, it is crucial to ensure proper ventilation. Keep the windows closed and the air conditioning on if possible to maintain a comfortable temperature. Regularly get emissions tests to ensure that the carbon monoxide concentration in the exhaust system is within safe limits. Additionally, fix any holes in the floor or trunk to prevent exhaust fumes from entering the car's interior. Choose a parking spot with ample airflow, such as an open-air lot, and avoid enclosed spaces like garages.
It is also important to be aware of the symptoms of carbon monoxide poisoning, which include headache, dizziness, weakness, nausea, vomiting, chest pain, and confusion. If you experience any of these symptoms, get fresh air immediately and seek medical attention. Unfortunately, if you are asleep when carbon monoxide symptoms begin, they are unlikely to wake you up, and you may not be able to take the necessary actions to escape the dangerous situation. Therefore, it is always best to prioritize finding a safe alternative to sleeping in your car, such as a hotel or a friend's place, whenever possible.
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Where to park
National and State Parks
Some national and state parks have designated camping areas where you can sleep in your vehicle overnight. These parks may require a permit or fee for overnight stays and may recommend reservations in advance. Campgrounds within national and state parks can be a safe option, as park rangers patrol the sites at night.
Walmart
Some Walmart stores offer free overnight parking, especially for recreational vehicles. However, more Walmart locations are introducing "No Overnight Parking" signs and surveillance cameras. If you are considering staying at a Walmart, it is a good idea to speak with the store manager first.
Safe Parking Programs (SPP)
Some cities have Safe Parking Programs through the U.S. Department of Housing and Urban Development's Continuum of Care program. These programs provide designated places for people experiencing homelessness to sleep safely in their vehicles. People can apply for permits to legally park in designated sites, such as parking lots of religious institutions, public companies, or private buildings.
Truck Stops and Casinos
Truck stops and casinos can be good options for overnight parking, regardless of your vehicle type. Casinos are often open 24/7, providing access to restrooms and food at any time. Some casinos even offer an overnight pass and free slot machine play upon check-in.
Business Parks and Parking Garages
Business parks often have large parking lots that are mostly empty after the evening rush hour. However, some business parks have round-the-clock security and do not allow overnight parking. Parking garages may also be an option, although they typically charge a fee in urban areas.
Bureau of Land Management (BLM) Land
The BLM is an agency that manages approximately 247 million acres of public land, primarily in the Western US. You can park and camp for free on BLM land for up to 14 days, following the Leave No Trace principles.
Stealth Parking
If you are discreet, car dealerships and auto repair shops can be options for overnight parking. The idea is to arrive after they close and leave before they open in the morning.
To improve your sleep quality, consider reducing the amount of light entering your car by using eye masks or window coverings. Additionally, look for designated parking areas that offer a balance between safety and a relaxing environment.
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Frequently asked questions
No, sleeping in a car is never completely safe, even with the windows rolled down. This is because carbon monoxide can accumulate in the car, which can be fatal. However, if you do choose to sleep in a car, there are precautions you can take to improve your safety, such as installing a carbon monoxide detector, keeping the windows open, and not sleeping with the engine running.
If you're sleeping in a car, it's important to prioritise your safety. Make sure you're parked in a safe, well-lit area, and consider putting up a sign that says "napping" or "napping for driving safety". Lock the car doors, and prepare any items you might need before you fall asleep, such as a pillow, an eye mask, and earplugs.
The legality of sleeping in a car can vary depending on your location, so it's important to check the laws in your specific state or city. Some rest areas and national chain businesses may allow overnight parking, but it's always a good idea to call and ask ahead of time. Additionally, some cities have Safe Parking Programs that provide designated places for people experiencing homelessness to sleep safely in their vehicles.
