
Sleeper cab semi trucks are a type of truck designed for long-haul trucking, typically with a sleeping area for the driver.
These trucks are equipped with a large, enclosed cab that can be converted into a living space for the driver, complete with a bed, refrigerator, and sometimes even a bathroom.
The sleeper cab is usually located above the truck's engine compartment and can be accessed by a ladder or stairs.
Sleeper cabs can be as small as 40 inches wide or as large as 80 inches wide, accommodating drivers of different heights and preferences.
Additional reading: Truck Trailer Height Clearance
What Is a Sleeper Cab Semi Truck?
A sleeper cab semi truck is essentially a home away from home for drivers on long-haul missions. It's equipped with a sleeping berth, providing drivers with a convenient place to rest and rejuvenate without seeking a hotel room.
Regulations governing driving hours in Canada necessitate such accommodations, allowing drivers to get the rest they need to stay safe on the road.
Benefits and Features

Having a reliable bed is a must for drivers, as it ensures their safety and the safety of others on the road. A sleeper cab semi truck provides a safe and comfortable place to sleep, no matter where the driver is.
Drivers who use a sleeper cab can avoid the risks of driving through the night, which can be especially hazardous when they're feeling fatigued.
Types and Models
Sleeper cab semi trucks come in a variety of configurations to suit different needs and preferences.
The most common types of sleeper cabs are the mid-roof, high-roof, and extreme-roof models. Each type offers a unique combination of space, comfort, and functionality.
Mid-roof sleeper cabs are ideal for drivers who need a balance of comfort and maneuverability. They provide a decent amount of headroom and a relatively low roof height, making them easy to handle in tight spaces.
High-roof sleeper cabs, on the other hand, offer more interior space and a higher ceiling, providing a more comfortable living area for drivers. They're perfect for long-haul drivers who need to rest and relax on the road.
Extreme-roof sleeper cabs are the largest and most spacious option, providing ample room for drivers to stretch out and relax. They're often preferred by drivers who spend extended periods on the road.
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What Is a Day Cab?
A day cab is a type of semi-truck designed for short-haul trips, typically with no accommodations for sleeping.
These trucks are perfect for drivers who make local deliveries or short-haul trips, allowing them to head back home at the end of each day.
Canadian law restricts the use of day cabs for overnight rests during long journeys.
Day cabs stand out for their fuel efficiency and higher payload capacity, thanks to their lighter weight without a sleeping berth.
Their agility and efficiency make them the go-to choice for short-distance hauls across Canada.
Ideal Truck for Heavy Hauling
For heavy hauling, the choice between a day cab and a sleeper cab semi-truck depends on the distance of the haul. A day cab is ideal for short, local deliveries due to its efficiency and agility.
The sleeper cab's accommodations are invaluable for long-distance or multi-day journeys, enhancing driver well-being and operational continuity. This makes it the better choice for lengthy hauls.
2016 Cascadia Truck with AA Custom

The 2016 Cascadia Truck with an AA Custom Sleeper Cab is a great example of a well-designed sleeper cab. It features a side entrance door with stairs leading up to it.
One of the unique features of this sleeper cab is the storage spaces located on the top of the cab. These can be used to store luggage, tools, or other essentials.
The bathroom and shower area is also worth mentioning, providing a convenient and comfortable space for drivers to freshen up on the go. The fridge is another practical feature, allowing drivers to store snacks and drinks.
A kitchen area is also part of this sleeper cab, equipped with a sink and an induction stove. This makes it easy for drivers to prepare meals or snacks during their breaks.
ARI Legacy & Volvo Big Bunk At Gatr B147
The ARI Legacy & Volvo Big Bunk AT GATR B147 is a semi-truck model that's definitely worth checking out. It comes equipped with a shower and toilet, making it a great option for truck drivers who need to stay clean and comfortable on the road.
Explore further: Standard Semi Truck Height

This Volvo sleeper cab has a range of features that make it a great space to rest and work. The fan, thermostat, and AC controls are all easily accessible, keeping you comfortable in any climate.
The ARI Legacy & Volvo Big Bunk AT GATR B147 also has a dedicated area for eating and working, with a table and seats where you can take your food and get some work done. And if you need to, you can even use the office desk to work on your computer.
In terms of sleeping arrangements, this model has a bed and a second bunk that comes down from the top, giving you plenty of options for getting a good night's rest. And with the water tank place nearby, you can stay hydrated and refreshed on the road.
Here are some of the key features of the ARI Legacy & Volvo Big Bunk AT GATR B147:
- Shower and toilet
- Fan, thermostat, and AC controls
- Table and seats for eating and working
- Bed and second bunk
- Water tank place
- Office desk for working on your computer
- Sink and cook stove
- Microwave
Truck Guide and Information

Sleeper cab semi trucks are designed to provide truck drivers with a comfortable place to rest on long hauls. Historically, many truck drivers chose to sleep in their vehicle cabs.
Extended cabs with adequate space for sleeping are a common feature in sleeper cab semi trucks. Manufacturers made these changes to accommodate truck drivers who need to rest on the road.
Truck drivers can increase their efficiency and comfort on the road by owning a sleeper truck.
Frequently Asked Questions
How much does a sleeper cab semi-truck cost?
A sleeper cab semi-truck typically costs between $150,000 to $225,000 for a new unit, while used models can range from $20,000 to $200,000 or more.
What is the cab of a tractor trailer called?
The cab of a tractor trailer is technically the interior area of the tractor unit, but often referred to as the tractor unit itself.
Do sleeper cabs have a toilet?
Semi-trucks with sleeper cabs typically do not have a built-in toilet due to space and cost constraints. However, drivers can access rest stop facilities for bathroom needs.
Sources
- https://en.wikipedia.org/wiki/Truck_sleeper
- https://www.californiatruckcenters.com/sleeper-trucks-for-sale-california--xallinventory
- https://themightytrucker.com/5-trucks-with-the-biggest-sleepers-in-the-world/
- https://www.mtg.ca/blog/understanding-sleeper-trucks-and-day-cabs-metro-freightliner/
- https://drstrucks.com/5-trucks-with-the-biggest-sleepers-in-the-world/
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