Fatigue Isn't a Wellness Issue. It's an Impairment Issue.
Most agencies would never shrug at an officer who blew a 0.05, yet many still shrug at 17 hours awake. This post argues that fatigue belongs in fit-for-duty decisions, not on the wellness poster. A study in Nature found that 17 hours awake impaired performance on a lab tracking task about as much as a 0.05% BAC, and 24 hours matched about 0.10%. In Seattle PD's baseline survey, 77% of employees reported poor sleep quality. Seattle's randomized controlled trial (RCT) then showed that eight weeks of short fatigue-training modules added sleep and cut reports of falling asleep while driving from 20% to 11%. A separate shift-length RCT found that 10-hour shifts beat 8s on sleep and overtime, while 12s came with more sleepiness and lower alertness. The post closes with a practical frame for supervisors covering hour caps that count side jobs, rest between shifts, and what to measure next quarter.
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