Sleep loss 'starts arguments at work'
Erratic and disruptive behaviour at work can be caused by even a single night's loss of sleep, say researchers.
Lack of sleep does not only mean tired workers, says the study, but can also cause "unwanted" activity, which it links to lower levels of self-control.
The study, published by the Rotterdam School of Management, says that such sleep-related disruption can cost billions in lost productivity.
Sleeplessness can cause a "destructive cycle" in work, says the study.
"Unwanted behaviour in the workplace often stems from selfish impulses that are not kept in check by self-control," says researcher Laura Giurge of the Rotterdam School of Management, Erasmus University in the Netherlands.