
The sleeper berth split is a complicated rule that allows truck drivers to extend their on-duty shift by splitting their required 10 consecutive hours of off-duty time into two shifts. This rule is part of the Federal Motor Carrier Safety Administration's (FMCSA) regulations and provides drivers with more flexibility in their schedules. The rule can be applied in different ways, such as 2/8, 3/7, or 7/3 splits, as long as the shorter segment is at least 2 hours long and the longer segment contains at least 7 hours of continuous sleeper berth time. This rule is beneficial for drivers who need to adjust their schedules for longer hauls or warehouse hours.
| Characteristics | Values |
|---|---|
| Purpose | To extend an on-duty shift by splitting the required 10 consecutive hours of off-duty time into two shifts |
| Benefits | Offers flexibility in hours-of-service compliance, allowing drivers to adjust schedules for things like longer hauls or warehouse hours |
| Requirements | Two separate qualifying break periods that combine to obtain at least 10 hours off duty; one of the qualifying periods must be at least seven consecutive hours in the sleeper berth while the other must be at least two consecutive hours off duty, in the sleeper berth, or a combination of both |
| Impact on 14-hour clock | Both break periods pause the 14-hour clock; the 14-hour driving window restarts from the end of the first sleeper berth shift but not until after the second shift is completed |
| Calculation | After completing the second of the two segments, recalculate the 11 and 14-hour limits by subtracting the corresponding times spent between the two segments |
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What You'll Learn

How does the split sleeper berth rule work?
The split sleeper berth rule is a provision that allows drivers to split their required 10 consecutive hours of off-duty time into two separate break periods, thereby extending their on-duty shift. This flexibility helps drivers adjust their schedules to accommodate longer hauls, warehouse hours, or other delays.
To use the split sleeper berth rule, drivers must take a minimum of 7 consecutive hours in the sleeper berth as one of the two required breaks. The other break must be a minimum of 2 consecutive hours of off-duty time, sleeper berth time, or a combination of both. These two breaks can be taken in either order, and both periods will pause the 14-hour clock. The two segments combined must add up to at least 10 hours in total.
For example, a driver who starts their day at 6 am with one hour of on-duty, non-driving work, signals the start of the 14-hour working window. If they start driving at 7 am and drive for five hours until 12 pm, they will have used five hours of the 11-hour drive time and six hours of the 14-hour clock. At this point, the driver can take an 8-hour break in the sleeper berth, which pauses the 14-hour clock. When the driver gets back on the road at 8 pm, they will have six hours of drive time remaining and eight hours on the 14-hour clock.
The split sleeper berth rule is particularly beneficial for truck drivers who need more flexibility in their schedules. However, it is important to note that this rule does not provide a full 10-hour reset of the 14-hour driving window. Instead, it simply moves the start time of the 14-hour driving window to the end of the first sleeper berth shift, after the completion of the second shift.
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What are the benefits of the sleeper berth split?
The sleeper berth split allows commercial drivers to split their mandatory 10-hour rest breaks into two non-consecutive segments and still reset their substantive time limits. This ruling is especially useful for truck drivers who need more flexibility in their schedules. It allows drivers to adjust their schedules for things like longer hauls or warehouse hours by "dropping in" a rest break that pushes out a 14-hour driving period.
The shorter of the two segments must be at least two hours long, with no on-duty or driving time. The longer segment must contain at least seven hours of continuous sleeper berth time, with no on-duty or driving time. The two segments combined must add up to at least 10 hours total. During both of the two segments, the 14-hour clock is paused.
For example, a driver who begins their day at 6 am with one hour of on-duty, non-driving work, signalling the start of the 14-hour working window. At 7 am, the driver starts driving for five hours until 12 pm, using five hours of the 11-hour drive time and six hours of the 14-hour clock. At this point, the driver takes an 8-hour break in the sleeper berth, which effectively pauses the 14-hour clock. When the driver gets back on the road at 8 pm, they have six hours of drive time remaining and eight hours on the 14-hour clock.
The sleeper berth split ruling provides drivers with the flexibility to decide how to split their breaks, whether it's 8 and 2, or 7 and 3. This flexibility can be especially useful when drivers are detained at shipper or receiver facilities.
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What are the two types of breaks?
The two types of breaks in the sleeper berth split refer to the two separate qualifying break periods that can be combined to obtain at least 10 hours off-duty, which pauses the 14-hour work clock.
The first type of break is a minimum sleeper-berth period, which requires at least 7 consecutive hours in the sleeper berth. This longer segment must not include any on-duty or driving time.
The second type of break is a shorter segment of at least 2 consecutive hours of off-duty time, sleeper-berth time, or a combination of both. This period must not include any on-duty or driving time.
The two breaks can be taken in any order, and the 14-hour driving window is restarted from the end of the first sleeper berth shift, but only after the second shift is completed. It is important to note that the split sleeper berth does not provide a full 10-hour reset; it simply moves the start time of the 14-hour driving window.
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How does the sleeper berth split impact the shift window?
The sleeper berth split provision allows a driver to extend an on-duty shift by splitting the required 10 consecutive hours of off-duty time into two shifts. This allows drivers to adjust their schedules for things like longer hauls or warehouse hours by "dropping in" a rest break that pushes out a 14-hour driving period.
The split sleeper berth rule can be used to split up an entire 10-hour rest period into two separate break periods. One useful example of a split sleeper is to make use of split-sleeper periods as drop-off or pick-up times, so that you can have more time on the road. The key aspect of how the split sleeper helps your hours is that it moves your shift window forward.
The two breaks can be taken in any order, and by completing both, the 14-hour driving window is restarted from the end of the first sleeper berth shift but not until after the second shift is completed. Since the 14-hour driving window does not restart after the end of the second period, the split sleeper berth is not a full 10-hour reset; it simply moves the start time of the 14-hour driving window.
For example, a driver who begins their day at 6 am with one hour of on-duty, non-driving work, signals the start of the 14-hour working window. At 7 am, the driver starts driving for five hours until 12 pm, using five hours of the 11-hour drive time and six hours of the 14-hour clock. At this point, the driver takes an 8-hour break in the sleeper berth, which effectively pauses the 14-hour clock. When the driver gets back on the road at 8 pm, they have six hours of drive time remaining and eight hours on the 14-hour clock.
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How does the sleeper berth split work for truck drivers?
The sleeper berth refers to the designated compartment or area in a Commercial Motor Vehicle (CMV) where truck drivers sleep or rest. Sleeper berths are also one of the four duty statuses that truck drivers fall under while following Hours of Service (HOS) regulations.
The split sleeper berth rule allows truck drivers to split their mandatory 10-hour rest breaks into two non-consecutive segments while still resetting their substantive time limits. This rule gives drivers more control over their driving hours, which is especially helpful when waiting times at shippers or receivers cause unexpected delays.
The shorter of the two segments must be at least two hours long, and the longer of the two must be at least seven hours long, with both segments totalling at least 10 hours combined. The shorter break can be spent off-duty or in a combination of settings, such as grabbing a meal or resting outside the truck, providing a mix of rest and personal time. The longer break must be taken in the sleeper berth.
The two qualifying breaks can be taken in either order, and both periods will pause the 14-hour driving window. However, this reset doesn't kick in until after both segments are completed, effectively shifting the start of the 14-hour window.
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Frequently asked questions
The sleeper berth split rule allows a driver to extend an on-duty shift by splitting the required 10 consecutive hours of off-duty time into two shifts.
The sleeper berth split works by splitting the 10-hour rest period into two separate break periods. One of the qualifying periods must be at least seven consecutive hours in the sleeper berth. The other break must be at least two consecutive hours of off-duty time, sleeper berth time, or both. The two breaks can be taken in any order.
The sleeper berth split rule offers flexibility in hours-of-service compliance, allowing drivers to adjust schedules for things like longer hauls or warehouse hours. It also pauses the 14-hour clock, which can be beneficial for drivers who need more flexibility in their schedules.
The shift window moves forward to the end of the first period. Once the first break has been completed, the driver only needs to start counting their shift from the end of the first break. For example, if the first break ends at 11 am, the driver will count 4 hours of driving and 6 hours of on-duty time towards their shift by the end of the break.

































