We all know that one person who studying 24/7 and never getting enough rest. But this conditions can lead to a burnout, mental self-damage or even depression ! We know this is not productive or efficient for studying.
The brain is indeed plastic. But not that kind of plastic !!! It takes time to learn and earn new knowledge and to built it gently. So, the best hack to study is to break it bit by bit, like puzzle.
Studying is the same thing as eating a meal: you split the food in your plate into little tiny bits and chew one at a time !!! 
Study Like a Professional 