Tired, lack of sleep and environmental stress factors (sun, heat, cold, vessel movement) are often overlooked by recreational boaters as well as professional mariners and this can contribute to accidents on the water.
A person who has been awake for 17 hours faces the same risk of a crash as a person who has a BAC reading of 0.05 g/100ml and those who are awake for 24 hours will have a driving performance similar to a person who has a BAC of 0.1 g/100ml. – Adelaide Centre for Sleep Research
If being tired is equivalent to being drunk – why does shipping culture equate working hard with not resting?
With all of the studies that have been done on fatigue in the past 80 years, it would make sense to have a consensus about how much rest is necessary to avoid it being a contributory factor in accidents. The only result that is seen time and time again is that fatigue can be catastrophic.