What is the Optimal Cab Temperature for Truckers to Sleep?

July 30, 2023

Young truck diver feeling tired and yawning during the ride

Sleep is crucial for all of us, but for long-haul truck drivers, a good night’s sleep can be the difference between a safe journey and a hazardous one. Beyond just getting enough sleep, the quality of that sleep plays a vital role in overall health and alertness. One factor often overlooked is the temperature of the sleeping environment. But what is the optimal sleep temperature for truck drivers? And how can maintaining this temperature lead to better health and performance on the road?

For optimal health and restorative sleep, truck drivers should aim to keep their cab temperature between 60 and 67 degrees Fahrenheit (15-19 degrees Celsius). This temperature range aids in the body’s natural sleep processes and can result in improved alertness and overall wellbeing.

To achieve optimal sleep, Trucker Daily recommends the use of a portable air conditioner unit.

The Importance of Sleep for Truck Drivers

Sleep isn’t just about rest. It’s a crucial period of restoration for the body and mind. Lack of sufficient sleep can lead to several physical and mental health issues. According to the CDC, it can cause impaired attention, alertness, cognition, and reaction times. These impairments are particularly dangerous for truck drivers, given the long hours spent on the road and the need for constant vigilance. Beyond health concerns, poor sleep can affect job performance and safety, potentially leading to tragic accidents.

Understanding the ‘Thermoneutral Zone’ for Sleep

Our bodies operate best at certain temperatures, and this is particularly true when it comes to sleep. Researchers Okamoto-Mizuno and Mizuno describe a ‘thermoneutral zone,’ a temperature range where the body can maintain its normal internal temperature without expending any energy for heat production or loss. This thermoneutral zone varies slightly from person to person, but it’s a crucial concept for understanding why certain temperatures may promote better sleep. In essence, when the body is at this ideal temperature, it can devote more energy to restorative sleep processes.

What is The Optimal Sleep Temperature for Truck Drivers

So, what is the optimal sleep temperature? The Sleep Foundation recommends an optimal sleep temperature of around 60 to 67 degrees Fahrenheit (15 to 19 degrees Celsius). This temperature range aids in the natural decrease in body temperature that occurs during sleep, promoting deeper, more restful sleep. But why does this happen? As your body prepares for sleep, your body temperature naturally decreases, signaling to your brain that it’s time for sleep. This process is part of your circadian rhythm, the body’s internal clock that regulates when you feel awake and when you feel sleepy. Maintaining an environment that complements this natural cooling process can help you fall asleep faster and experience more restful sleep.

The Benefits of Truckers Sleeping at the Optimal Temperature

There’s more to the story than just comfort. Sleeping at the optimal temperature brings a range of benefits. A study from the National Institutes of Health showed that sleep at a cooler temperature can increase the quality and amount of your deep, restorative sleep. This type of sleep, known as slow-wave sleep, is critical for memory consolidation and recovery from daily wear and tear.

Improved sleep quality can lead to increased alertness during waking hours – a critical factor for truck drivers. Furthermore, better sleep can result in improved mood, as a lack of sleep has been linked to higher levels of stress, anxiety, and depression.

Overall health benefits are also abundant. Harvard Health Publishing points out that sleep deficiencies have been linked to health problems ranging from depression to an increased risk of chronic conditions like diabetes, heart disease, and even obesity. In contrast, maintaining a sleep-friendly environment can help ward off these health risks.

Practical Tips for Maintaining the Optimal Sleep Temperature in a Truck

Maintaining an optimal sleep temperature in a truck cab can be a challenge, but it’s not impossible. One of the most effective methods is using a portable air conditioner like the Zero Breeze Mark 2, which can effectively cool the cab to the desired temperature. In addition, choosing breathable bed linens and suitable sleepwear can help your body regulate its temperature during sleep. It’s also beneficial to consider the timing of your sleep. Try to align your sleep schedule with nighttime hours, as the natural drop in temperature can aid in your sleep quality.

Zero Breeze Mark 2: A Cost-Effective Solution for Optimal Sleep Temperature

When it comes to maintaining the optimal sleep temperature, the Zero Breeze Mark 2 stands out for several reasons. This portable air conditioner has powerful cooling capabilities, ensuring that even in the warmest climates, you can keep your cab within the ideal temperature range. Plus, it operates quietly, ensuring your sleep isn’t disturbed by excessive noise.

Click Here to Check the Current Price of the Zero Breeze Mark 2

In addition, the Zero Breeze Mark 2 is a cost-effective solution for truck drivers. Traditional AC systems in trucks can be a significant drain on fuel, especially when the truck is idle. This drain leads to higher fuel costs and increased wear and tear on the vehicle. In contrast, the Zero Breeze Mark 2 operates on battery power, eliminating the need for constant idling and helping you save on fuel costs.


Sleeping at the right temperature can greatly improve the quality of your sleep and, consequently, your health and performance as a truck driver. By aiming for a sleep environment between 60 and 67 degrees Fahrenheit, you’re setting yourself up for more restful sleep and healthier, safer journeys on the road. Consider investing in a portable air conditioner like the Zero Breeze Mark 2 to help create that sleep-friendly environment in your cab. Your body and mind will thank you for it.

About the author

I’m Luis Uribe, author of this website. I am the owner and head publisher for Trucker Daily and a freight brokerage Total Connection Logistics. I have been in and around the trucking industry for over 15 years. It is my mission with Trucker daily to equip truck drivers, with the latest in industry updates, news, and helpful tips to help further your trucking career and life. Whether you are a truck driving veteran, or beginner, you will find information on this site to save you a lot of time in your driving journey.

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