Injury prevention is an effort to prevent or reduce the severity of bodily injuries caused by external mechanisms, such as accidents, before they occur.
Some examples of injury prevention
Bicycle safety.
Firearm safety.
Burn prevention
Playground Safety
Id say it would be all of the above. if you think about it our bodies mentally and physically need to rest so they can be "charged" and ready for theday. if you dont sleep you will be drowsy and not to be able to focus on any of the options
Genetics I think I maybe wrong ok