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Why Sleep Deprivation Makes Work Dangerous

Being busy and productive doesn’t justify being dangerous in the workplace. Yet, many employers place their employees in harm’s way by putting them to work while they’re exhausted or sleep-deprived. While it might seem like an annoyance to workers, sleep deprivation can trigger life-altering accidents that place the lives and wellbeing of workers at risk.

How Much Sleep Should Workers Have?

According to doctors, the average adult requires between 7.5-8 hours of sleep to function properly mentally and physically. Unfortunately, according to studies, nearly two-thirds of Americans are not meeting their sleep needs. The problem of sleep deprivation is often overlooked because its effects are not always noticeable. It can be difficult to identify sleep deprivations as a direct cause of an incident, even though it is often an underlying factor in workplace accidents and decreased productivity.

Effects of Sleep Deprivation

Workers most at risk for sleep deprivation are those who do shift work. Shift work has been extensively studied and shown to have a negative impact of the rest and overall health of workers. In fact, it has been tied to numerous health problems ranging from heart disease to cancer. To learn more about the risks of shift work, read our blog about it here.

This post won’t focus on the health risks of sleep loss. Instead, it will focus on the immediate negative effects that sleep deprivation has on workers suffering from in. Most of these complications impact productivity, reactivity, and other factors essential for everyday work.

Lack of Communication

Studies have shown that workers who are sleep deprived do not communicate as well as rested workers. Lack of sleep causes them to lower their voice, pause between sentences, mumble, mispronounce words, repeat themselves, and lose their train of thought.

Decline in Performance

Tired workers see drastic declines in their performance and daily output levels. On average, sleep-deprived workers display performance levels in the 9th percentile compared to rested workers. In other words, employers who overwork employees aren’t getting the increased production they think they are getting from longer hours. Instead, they have a tired workforce that is as dangerous as it is underproducing.

Prone to Distractions

Research has shown an overlap in symptoms of sleep deprivation and ADHD. Some of those symptoms include an inability to focus, keep track of events, attend non-essential activities, and maintain an interest in outcomes.

This is especially dangerous in settings such as industrial work or construction. Often, workers in these industries need to be focused so they can get their job done properly and safely. It only takes one exhausted worker to trigger an accident that injuries or kills dozens more.

Driving Impairments

The effects of driver fatigue or drowsy driving have been well-documented. In fact, nearly 100,000 car accidents each year are caused at least in part by driver fatigue. Workers who are required to drive or operate heavy machinery such as forklifts are at much higher risk of being involved in an accident if they are tired. Studies have shown that sleep deprivation can slow down reaction times as much as being legally intoxicated.

Exhausted drivers:

  • Focus less on the road
  • Have slow reaction times
  • Have impaired decision-making skills

Commercial drivers are the most likely members of the workforce to drive while exhausted. However, industries that require physically demanding work or long hours also can also be prime for placing exhausted workers on the road.

Decreased Cognitive Ability

Sleep deprivation is associated with a reduced ability to grasp and analyze new information. It has also been shown to decrease memory capacity and the ability to adjust when presented with new information. When workers are not able to think up to their normal capacity, they are more prone to making mistakes that lead to accidents.

Behavior Modification

Workers who are not getting enough sleep tend to be more prone to mood swings. They can become socially withdrawn or even erupt in violent outbursts.

Common behavioral signs of sleep deprivation include:

  • Irritability
  • Impatience
  • Disregard for social standards
  • Inappropriate conduct
  • Unwillingness to plan ahead

Additionally, a lack of sleep has been closely linked to depression.

Increased Risk-Taking

Sleep-deprived workers are more likely to engage in risky behaviors. In fact, studies have shown that when people are deprived of sleep, there is an increase in activity in the part of the brain that prompts risky decisions and a decrease in activity in the part of the brain that controls rational thinking. When sleep-deprived workers are making riskier decisions, they place themselves and their coworkers at unnecessary risk.

Sleep Deprivation Causes Accidents

One night without sleep can impact how your brain functions for up to two weeks. While it is uncommon for workers to go an entire night without sleeping, getting too little sleep on consecutive nights has a cumulative effect on cognitive abilities. Just four nights in a row of reduced sleep can be the equivalent of an entirely sleepless night.

A single sleep-deprived worker is more prone to causing an accident, but that likelihood increased exponentially when almost two out of three workers are suffering from sleep deprivation. Employers must make sure that their workers are getting the rest they deserve—this means avoiding overworking them at all costs. Hard work and long hours are never a good reason to cause lives to be risked.

If you have been injured in a workplace accident caused or influenced by sleep deprivation, contact Arnold & Itkin today to learn about your legal rights.


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