
The split sleeper berth rule allows commercial drivers to split their mandatory 10-hour rest breaks into two non-consecutive segments, with one segment being at least 7 hours long and the other being at least 2 hours long, totalling at least 10 hours combined. This rule provides drivers with more flexibility in their schedules, especially during times when they are detained at shipper or receiver facilities. The split sleeper berth rule is considered one of the most confusing rules in FMCSA regulations, impacting the ways Hours of Service rules typically function.
| 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 |
| Qualifying periods | Two separate periods must be combined to obtain at least 10 hours off duty |
| Shorter segment | At least 2 hours long, with no on-duty or driving time |
| Longer segment | At least 7 hours of continuous sleeper berth time, with no on-duty or driving time |
| Total combined time | At least 10 hours |
| Impact on 14-hour clock | The two segments combined pause the 14-hour clock |
| Shift window | The split-sleeper berth provision moves the shift window forward |
| Shift limits | Split-sleeper berth periods do not count towards shift limits |
| Order of breaks | The two qualifying breaks can be taken in any order |
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What You'll Learn
- The rule allows drivers to split their 10-hour rest into two non-consecutive segments
- The shorter segment must be at least 2 hours, with no driving or on-duty time
- The longer segment must be at least 7 hours of continuous sleeper berth time
- The two segments combined must add up to a minimum of 10 hours
- The 14-hour driving window restarts after the second shift is completed

The rule allows drivers to split their 10-hour rest into two non-consecutive segments
The split sleeper berth rule allows commercial drivers to split their mandatory 10-hour rest breaks into two non-consecutive segments, with one segment being between two and eight hours, and the other being between eight and ten hours. The shorter segment can be spent off-duty, in the sleeper berth, or a combination of the two, while the longer segment must be spent in the sleeper berth. The two segments must add up to at least 10 hours total. This rule provides drivers with more flexibility in their schedules, allowing them to extend their on-duty shifts and adjust their schedules for longer hauls or warehouse hours.
For example, a driver who starts their day at 6 am with one hour of on-duty, non-driving work can signal 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 useful for drivers who need to extend their on-duty period or adjust their schedules. By taking advantage of the rule, drivers can gain more time on the road and better manage their time at drop-off or pick-up locations. Additionally, the rule allows drivers to benefit from interim off-duty breaks by combining them with longer breaks.
It is important to note that the split sleeper berth rule does not reset the 14-hour driving window. Instead, it moves the start time of the window to the end of the first sleeper berth shift, but only after the second shift is completed. This means that drivers who use the split sleeper berth rule may not have a full 11 hours of driving time or a full 14-hour window available to them.
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The shorter segment must be at least 2 hours, with no driving or on-duty time
The split sleeper berth rule allows commercial drivers to divide their 10-hour rest period into two non-consecutive segments, offering flexibility in hours-of-service compliance. This rule is particularly beneficial for drivers who need more flexibility in their schedules. The shorter of the two segments, known as the "short break", must be at least two hours long and can be spent off-duty or in a sleeper berth. This shorter segment is crucial for pausing the 14-hour driving window, providing an opportunity to extend the on-duty shift.
During the shorter segment, there should be no driving or on-duty time. This means that the driver must refrain from any driving activities and spend the time either off-duty or resting in the sleeper berth. This break is necessary to ensure the driver's well-being and compliance with safety regulations.
The short break can be combined with a longer break of at least seven hours to achieve the required 10-hour rest period. These two segments can be arranged in a 2/8 or 3/7 split, depending on the driver's preference and schedule. It's important to note that the short break cannot be a combination of sleeper berth and off-duty time; it must be one or the other.
By taking advantage of the split sleeper berth rule, drivers can strategically plan their rest breaks to align with drop-off or pick-up times, maximising their time on the road. This rule provides a valuable tool for managing schedules, especially when dealing with longer hauls or warehouse hours.
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The longer segment must be at least 7 hours of continuous sleeper berth time
The split sleeper berth rule allows commercial drivers to split their mandatory 10-hour rest breaks into two non-consecutive segments, thus providing flexibility in hours-of-service compliance. The longer of the two segments must be at least seven hours of continuous sleeper berth time, with no on-duty or driving time. This longer segment, in combination with the shorter segment, allows drivers to extend their on-duty period by pushing out a 14-hour driving period.
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. After five hours of driving, if they take an 8-hour break in the sleeper berth, they effectively pause the 14-hour clock. When they get back on the road, they will have six hours of drive time remaining and eight hours on the 14-hour clock. This longer segment of the split sleeper berth rule allows drivers to adjust their schedules to accommodate longer hauls or warehouse hours.
The longer segment of at least seven hours can be combined with a shorter break of at least two hours to form a valid split. This means that after the completion of the 7-hour sleeper berth period, the driver can start a fresh new day, deducting all subsequent driving times from that starting point. This flexibility allows drivers to continue rolling splits and is particularly useful during live load/unload times.
It is important to note that the longer segment must be taken in the sleeper berth, and the total of the two segments must be at least 10 hours. By taking advantage of the split sleeper berth rule, drivers can benefit from increased flexibility in their schedules without impacting the 14-hour driving window.
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The two segments combined must add up to a minimum of 10 hours
The two-segment break periods of the split sleeper berth rule must add up to a minimum of 10 hours. This is because drivers are required to take 10 consecutive hours off-duty, and the split sleeper berth rule allows them to divide this mandatory rest period into two non-consecutive segments. The shorter segment must be at least 2 hours long, while the longer segment must be at least 7 hours long.
The two segments can be combined in a few different ways to meet the minimum 10-hour total. One option is an 8/2 split, where the driver takes an 8-hour sleeper berth break followed by a 2-hour off-duty break. Alternatively, there is the 7/3 split, which involves a 7-hour sleeper berth break and a 3-hour off-duty break. The 8/2 and 7/3 splits are the only valid combinations recognised by the FMCSA (Federal Motor Carrier Safety Administration).
The 10-hour break does not have to be split and can be taken as a single 10-hour break. However, splitting the break can be advantageous for drivers as it allows them to extend their on-duty shift and adjust their schedules to accommodate longer hauls or warehouse hours. The split sleeper berth rule is a complex but useful provision that offers flexibility to commercial drivers.
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The 14-hour driving window restarts after the second shift is completed
The split sleeper berth rule allows truck drivers to split their mandatory 10-hour break into two non-consecutive segments, with one shift being between 2 and 8 hours and the other between 8 and 10 hours. This flexibility helps drivers adjust their schedules to accommodate longer hauls, warehouse hours, and delivery times.
The rule is especially useful when a driver's schedule is impacted by detention at a shipper's or receiver's facility. For example, if a driver is detained at a shipper's facility for 3 hours during the day, they can use the split sleeper berth rule to take a 7-hour break in the sleeper berth and a 3-hour break off-duty, effectively resetting their substantive time limits. This way, the driver can start driving again at 2 PM, with a new 14-hour window within which to drive for 11 hours.
It is important to note that the split sleeper berth rule does not provide a full 10-hour reset of the 14-hour driving window. Instead, it shifts the start time of the window. Additionally, drivers must ensure they follow the rules set by the Federal Motor Carrier Safety Administration (FMCSA) and closely monitor their hours to avoid Hours of Service (HOS) violations.
To help with tracking their time, drivers are required to use an electronic logging device (ELD) to record their activities, reducing the chances of errors and citations for non-compliance with driving time regulations. By utilising the split sleeper berth rule and effectively managing their time, drivers can maximise their driving hours and efficiently accommodate drop-off and pick-up times.
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Frequently asked questions
The split-sleeper berth rule allows commercial drivers to split their mandatory 10-hour rest breaks into two non-consecutive segments, with one segment being at least 7 hours long and the other being at least 2 hours long, for a total of at least 10 hours combined. This rule provides flexibility for drivers who need to adjust their schedules.
The split-sleeper berth rule moves your shift window forward to the end of the first break. This means that you can extend your shift beyond 14 hours without impacting your shift limits. However, it is important to note that the split-sleeper berth is not a full 10-hour reset; it simply moves the start time of your 14-hour driving window.
You can split your break periods into either an 8/2 or a 7/3 split. The longer break must be spent in the sleeper berth, while the shorter break can be spent off-duty, in the sleeper berth, or a combination of both. Both breaks will pause your 14-hour clock.
The split-sleeper berth rule offers flexibility in hours-of-service compliance, allowing drivers to adjust their schedules for longer hauls or warehouse hours. It can be particularly useful when detained at shipper or receiver facilities, as it allows drivers to use interim off-duty breaks to their advantage by combining them with longer breaks.








































