How to safely sleep in a car ?

Whether you are embarking on an ambitious cross-country road trip, seeking a budget-friendly way to travel, or simply found yourself too tired to continue driving, knowing how to sleep in a car safely is an essential skill.

While it might seem as simple as reclining the seat and closing your eyes, there is a distinct art to doing it right. From legal hurdles to climate control, here is everything you need to know about making your vehicle a temporary bedroom.

Is it Safe to Sleep in Your Car?

Safety in a vehicle depends heavily on your preparation. The most critical mechanical risk is carbon monoxide poisoning, which can occur if the engine is running while you sleep. The CDC Carbon Monoxide Guidelines warn that you should never let a vehicle idle in a semi-enclosed space.

Furthermore, the NHTSA emphasizes drowsy driving prevention, noting that for American drivers, pulling over for a rest is a vital safety measure to avoid highway accidents. To maximize the quality of these roadside rests, many travelers use the 90-minute sleep cycle rule to ensure they wake up feeling refreshed rather than groggy.

Finding a Legal Location in the USA

• Rest Areas: Policies vary by state. For example, the Florida DOT Rest Area Rules specify time limits (typically 3 to 10 hours) to ensure parking turnover and safety.
• Public Lands: In the Western US, you can find legal, free "dispersed" camping spots by following the BLM Camping Regulations.
• National Forests: Many National Forests allow "primitive" vehicle camping. Check the USDA Forest Service Recreation Guide for rules on where you can park overnight.

Managing the Climate & Comfort

1. Level the Playing Field: Most car seats aren't flat. If you have an SUV, folding the back seats down is your best bet for a level surface.
2. Winter Safety: Your car loses heat rapidly. In winter, invest in a high-quality sleeping bag rather than relying on the car’s heater. It is also helpful to understand why our bodies require more sleep in winter to better plan your travel miles during shorter days.
3. The 10-3-2-1-0 Rule: To ensure you actually fall asleep in a cramped environment, consider following the 10-3-2-1-0 sleep hygiene framework, which helps regulate your caffeine and screen time before bed.

Pro Sleeping in a Car Tips

To transition from a bad night's sleep to a great adventure, follow these sleeping in a car tips: