The answer is race I think
It is commonly used as a metric of alcohol intoxication for legal or medical purposes
An informed consumer is someone who knows what medicine they are taking.
If it doesn’t give you answer choices then I’m guessing it’s exercise
True, sleep problems indeed are a quite often occurence among children as well as adults - they do occur quite often but don't necessarily occur all the time for people to whom it does happen. At the same time, when someone suffers from sleep problems, this doesn't necessarily mean that he cannot sleep at all.
