I think you misread the article. It is not only 1 hour of work, it is 1 hour of continuous work/studying. In the article it states that one should "stealth stud

I think you misread the article. It is not only 1 hour of work, it is 1 hour of continuous work/studying. In the article it states that one should "stealth study," or study in 5-10 minute increments multiple times (in addition to the 1 hour).