Prior Sleep Fatigue Calculator is a tool to enable operation staff and drivers to self-determine their risk of fatigue and manage this on their own or in conjunction with the supervisor.
Before commencing a shift every staff member should calculate their prior wake threshold and determine whether there is an increased risk of a fatigue related error. Depending on the score a staff member is required take a particular course of action, which will be self monitoring, having a fellow member of staff monitor you or alteration to or removal from duty.
The calculation above uses minimum sleep and maximum awake rules as a basic self assessment tool to determine fatigue levels.
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