In any workplace, an accident can affect anyone involved, so it’s best that everyone is making sure that workplace safety is a good as it gets. Depending on your workplace, different actions can result in different accidents, some more serious than others.
Usually, workplace accidents can come down to bad management, and poor health and safety regulations; and in some cases, is the job really worth the risk?
There are many scenarios where being overworked can cause a workplace accident, whether it be small or major. In most cases, the work accidents caused by tiredness would likely be minor, however, jobs that involve manual labor or driving can, in fact, cause a large amount of damage to themselves and others around them if not able to function properly. See here for more info on how to deal with the aftermath of a crash, should it come to that.