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Operator in an equipment cab at a high-altitude site
Reference image

Fatigue Science · Canada

ReadiWatch: sleep-based fatigue monitoring

ReadiWatch is the wrist-worn watch from Fatigue Science, a Vancouver, Canada company, that records how each worker slept. From that data, the Readi platform and the SAFTE model forecast their fatigue hour by hour up to 18 hours ahead and warn the worker and supervisor before it turns critical.

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Forecast
18h
ReadiScore
0–100
Model
SAFTE
Sleep vs. PSG
93%

How it works

From recorded sleep to the fatigue forecast

The ReadiWatch fatigue forecast comes from each person's actual sleep, measured by the watch with nothing for the worker to do but wear it. The SAFTE model turns that sleep into a 0 to 100 ReadiScore and an hour-by-hour forecast.

  1. The watch records sleepEach day's duration and quality, with nothing for the wearer to do.
  2. SAFTE computes the ReadiScoreAn alertness score from 0 to 100: lower means more fatigue risk.
  3. Hour-by-hour forecastEach crew member's fatigue, up to 18 hours ahead.
  4. Alerts and logWarning to the worker and supervisor one hour ahead; the intervention is logged.

What the supervisor sees

The forecast reaches whoever assigns the shift

The supervisor gets the crew's fatigue forecast one hour before it turns critical, on a phone or tablet: in time to reassign, pause or check in with whoever needs it.

  • One hour of warningOn the supervisor's phone or tablet, before critical fatigue.
  • Your own thresholdsEach company sets its cut-off, for example a ReadiScore of 70 or 75.
  • Exportable logEvery check-in and intervention, via secure interface or API.
  • Crew heat mapsWhich upcoming shifts carry the most fatigue, and at what hours.
ReadiWatch showing a fatigue alert on screenManufacturer image

The science

The science behind the ReadiScore

The SAFTE model was developed by the U.S. Army and validated by the U.S. Department of Transportation and the FAA.

93%
Sleep/wake accuracy against clinical polysomnography, according to Fatigue Science.
18h
Forecast horizon, hour by hour, per person.
1h
Of advance warning to the supervisor.

With the cameras

ReadiWatch and anti-fatigue cameras

ReadiWatch and DMS anti-fatigue cameras cover different moments of the same risk and can be used together: the watch forecasts fatigue before the shift and the camera detects it in the cab. More on AI fatigue detection.

ReadiWatch · before the shift

Forecasts fatigue from the previous night's sleep. For drivers, equipment operators and plant staff alike.

DMS cameras · while driving

Endeavant smart cameras watch the driver and alert in the cab for closed eyes, nodding, yawning or distraction.

Components

System components

The ReadiWatch system has two parts: the wrist-worn watch, which records sleep and shows alerts on the wrist, and the Readi platform, an annual subscription with forecasts, alerts and logs.

CodeComponentDetail
SMB-W01ReadiWatchSleep-based fatigue monitoring, on-wrist alerts and sync with Readi.
FS-SUBReadi platformAnnual subscription: forecasts, alerts and logs.
FS-STRAPReplacement strapFor the ReadiWatch band.
FS-CHARGERChargerReadiWatch charger.

Product data: Fatigue Science (fatiguescience.com).

FAQ

ReadiWatch FAQ

What is ReadiWatch?
It is Fatigue Science's (Canada) wrist-worn watch for managing sleep-related fatigue. It records each worker's sleep duration and quality and, using the SAFTE model, forecasts fatigue hour by hour up to 18 hours ahead, with alerts on the wrist and on the supervisor's phone.
Who is ReadiWatch for?
ReadiWatch is for any worker whose fatigue is an operational risk: drivers, equipment operators and plant staff. Because the forecast comes from sleep rather than an in-cab camera, it also covers people who do not drive, and the supervisor sees the whole crew's fatigue in heat maps by shift.
What is the ReadiScore?
The ReadiScore is the personal 0 to 100 alertness score the SAFTE model computes from the sleep ReadiWatch records. A high score means the person is well rested; a low one means higher fatigue risk. Each company sets its own intervention threshold, for example a ReadiScore of 70 or 75.
How accurate is the sleep tracking?
Fatigue Science reports 93% accuracy for ReadiWatch at telling sleep from wake against clinical polysomnography, the laboratory standard. The SAFTE model behind the forecast was developed by the U.S. Army and validated by the U.S. Department of Transportation and the FAA.
Does it replace DMS anti-fatigue cameras?
ReadiWatch complements DMS anti-fatigue cameras. The watch forecasts fatigue before the shift from the previous night's sleep; the Endeavant DMS camera detects signs of fatigue and distraction in the cab while driving, such as closed eyes, nodding or yawning, and alerts the driver right away.

Endeavant technology

Fatigue while driving

Avant 3 · 5 · 8
Cameras

Avant 3 · 5 · 8

DMS anti-fatigue and ADAS anti-collision with in-cab alert.

Learn more
Endeavant Cloud
Platform

Endeavant Cloud

Alerts with video, location, diagnostics and reports.

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Centro de Control 24/7
Monitoring

Centro de Control 24/7

Endeavant operators who validate every alert.

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Information

Request information on ReadiWatch

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