Real-time Fatigue Risk Assessment
Structured assessment at the point of duty, combining the sleep a person actually got in the last 24 and 48 hours with how alert they feel now.
The problem
The operational predictor of fatigue impairment is prior sleep and wake history, not hours on duty. Hours-of-service rules cannot see the night someone spent with a sick child or the sleep disorder nobody has diagnosed.
Fatiguefit4Duty asks, at the start of duty, the questions that do predict impairment, and puts the answer in front of the person who has to make the call.
Presented by Professor Drew DawsonNational figures for the United Kingdom, from published research. They are modelled, not measured in your workforce.
Stories
Published cases from the United Kingdom where people started or kept working without enough sleep, and fatigue was never measured or treated as a hazard.
Each person records the sleep they actually got in the last 24 and 48 hours and how alert they feel now. That covers two levels of defence at once: whether the sleep was obtained, and whether fatigue is showing at work. Elevated risk goes to the leader with the controls you have set for the role and task, before the work starts.
Step 01
A supervisor prompts the assessment at the start of duty. Around thirty seconds, on a phone, and it works offline.
Step 02
Prior sleep in the last 24 and 48 hours, time awake, and current sleepiness on the Karolinska Sleepiness Scale.
Step 03
Likelihood from prior sleep and wake history, combined with a consequence rating assigned by role, in an ISO 31000 calculation.
Step 04
The result goes to the team leader or safety manager, with the role- and task-based controls you have configured. The decision stays with you.
Most workplaces check whether someone is fit for duty without asking how they slept. A roster can’t see a night with a sick child. Thirty seconds at the start of a shift asks, and puts the answer in front of whoever makes the call.
Daniel PlattCo-founder and CEORollout
Agree the roles in scope and a consequence rating for each.
Set the controls for each band and who sees each result.
Supervisors learn to prompt the assessment and act on the result.
Aggregate reporting by cohort, location and craft, and tune the controls.
What the client sees
Unlike Sleepfit, this result is not private to the worker: it exists to inform a control decision at the start of duty. Band thresholds and their derivation are published to you.
Priced on prevalence, not headcount. How pricing works.
The worker
Team leader or safety manager
The employer
Evidence
The likelihood limb rests on prior sleep and wake history, the best-evidenced individual fitness-for-duty input available.
The approach follows the published fatigue risk management literature (Dawson & McCulloch, 2005; Dawson & Sprajcer, 2020). The scoring, bands and thresholds are our own, and no validation study is claimed for them.
It produces a risk indication at role and task level. It does not make a fitness-for-duty determination, does not diagnose, and does not clear or stand down an employee. That decision stays with you, under your own procedure. It is a defensible method, not a validated instrument, and we do not describe it as one.
FAQs
No. It gives a risk indication at role and task level, shown to the team leader or safety manager with the controls you have configured. It does not clear or stand down an employee: that decision stays with you, under your own procedure.
Around thirty seconds on a phone at the start of duty, and it works offline.
The sleep a person got in the last 24 and 48 hours, how long they have been awake, and how sleepy they feel now on the Karolinska Sleepiness Scale, combined with a consequence rating set for each role.
No, and we don’t describe it as one. It follows the published fatigue risk management literature, but the scoring, bands and thresholds are our own and no validation study is claimed for them. The thresholds and how they were derived are published to you.
The team leader or safety manager, by design: the result exists to inform a control decision at the start of duty, so it is not private to the worker. You also get aggregate reporting by cohort, location and craft.
Yes. Anyone can ask for their account and its personal data to be deleted; the steps are on its delete-account page. Deletion can’t be undone.
Pathways
25 / 33
Supports your general duty of care
5 / 33
A voluntary benefit, not a regulatory requirement
See how Fatiguefit4Duty fits the regulation in your industry, and what else we would start with there.
Measure the sleep health behind repeated elevated results and identify who may benefit from clinical evaluation.
Teach crews and supervisors to recognise fatigue in themselves and each other.
Investigate properly when something does go wrong.
Tell us a little about your organisation and which solutions you’re looking at, and our team will be in touch.
