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On average, Americans get 40 minutes less sleep after "springing forward." This has a history of causing a surge in workplace accidents.
A 2009 study in the Journal of Applied Psychology followed 576,292 mining injuries between the years of 1983-2006. The average Monday had an average of 63 on the job injuries in the mining industry, but the Monday following Daylight Savings Time resulted in an increase of 3.6 injuries (5.7%). The severity of the injuries also increased. The number of days missed following a post-DST Monday injury increased by 67.6%.
A 2004 study of 400 US Army motor vehicle collisions found a correlation between insufficient sleep and driver at fault accidents. A 2008 study by the National transportation and Safety Board reported that train crew fatigue resulted in three deaths and $5.85 million in damages.
Other studies have shown that the Monday after DST has an increase in traffic accidents.
If you have a job that has hazardous or dangerous working conditions that require deep concentration, schedule the most hazardous or difficult work for later in the week when your body has time to adjust to the time change.