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Impact of Sleep Deprivation on Police Performance

Sleep deprivation is comparable to excessive drinking. A sleep deprivation study found that not sleeping for 17 hours impaired a person's motor skills to an extent equivalent to having an alcohol toxicity of 0.05 percent. Not sleeping for 24 hours was equivalent to a toxicity level of 0.10 percent.[1] This level of deprivation would impair speech, balance, coordination and mental judgment.

Sleep deprivation can cause work-related accidents. A study found that four out of eight officers involved in on-the-job accidents and injuries were impaired because of fatigue.[2] Such accidents include automobile crashes that were due to officers' impaired eye-hand coordination and propensity to nod-off behind the wheel. Other work related injuries come from accidents that occur when officers have impaired balance and coordination.

Research shows that fatigued officers:

• Use more sick leave.
• Practice inappropriate uses of force more frequently.
• Become involved in more vehicle accidents.
• Experience more accidental injuries.
• Have more difficulty dealing with community members and other law enforcement agencies.
• Have a higher likelihood of dying in the line of duty.[3]

Despite the impact of fatigue, many officers continue to work double shifts, triple shifts and second jobs. Some work well over 1,000 hours of overtime a year. Excessive work with inadequate rest over a long period of time can make officers sleep-deprived — 53 percent of officers report an average of 6.5 hours of sleep or less.[4]