One of Toyota's senior car engineers died from working too many hours, a Japanese labour bureau has found.
According to the BBC, in the two months leading up to his death, the man averaged more than 80 hours of overtime per month, regularly worked nights and weekends and was frequently sent abroad.
Little wonder that the Japanese Fukuoka Heart Study Group has found that working over 60 hours a week and missing out on sleep can as much as double the chances of a heart attack for the 40+ age group, with sleep deprivation and lack of rest in the very recent past acting as triggers.
The same researchers argue that the optimal working week is a maximum of 40 hours, as both long hours and lack of sleep on their own are enough to increase the risks of heart attack.
