How Big Is a Semi Truck Sleeper Cab?

Semi truck sleepers cabs, also known as sleeper berths, are a convenient way for long haul truckers to rest and relax while on the road. A sleeper cab is essentially an enclosed compartment or small bedroom located behind the driver’s seat of a semi-truck.

It typically includes a bed, closet, and other amenities that make it more comfortable than sleeping in the cab of the truck.

Semi truck sleeper cabs vary in size depending on the make and model of the truck. Generally speaking, however, most sleepers are about 8 feet long and 6 feet wide, with some larger models measuring up to 12 feet long.

They usually have storage compartments for clothes and other items as well as a fold-down bed that can be used for sleeping.

The interior of a semi truck sleeper cab is designed to provide maximum comfort and convenience for drivers who may be spending days or even weeks on end behind the wheel. Most sleepers come equipped with air conditioning or heating systems, adjustable lighting, curtains or blinds for privacy, and other amenities such as microwaves and refrigerators. In addition, many newer models feature satellite TV systems so drivers can stay connected while they’re out on the road.

The size of semi truck sleepers cabs can vary greatly depending on the make and model of the vehicle. However, they typically measure 8 feet long by 6 feet wide with some larger models reaching up to 12 feet long. These cabs provide an enclosed area where drivers can rest and relax while out on their routes.


Semi truck sleepers cabs are an essential part of life for long haul truckers who have to spend extended periods away from home. The size of these cabs can vary depending on the make and model but generally measure 8 feet by 6 feet with some larger models reaching up to 12 feet in length. They offer air conditioning or heating systems as well as other amenities such as microwaves and satellite TV so drivers can stay comfortable during their journeys.

Photo of author

Karen Watkins