I don't think she knows what a work day looks like, to most of America that works an office job.
Also, I could work in my office for 10 hours behind a computer and then spend another 10 hours fucking around on the internet.
From what I read, they take extremely large doses of it, to just get... kinda high..... which they deem dangerous with all the other shit in it.
Back in my day, we just took a shit ton of coricidin.