After a certain amount of the time your brain can become worn out. We recommend you use the Pomodoro technique which integrates regular breaks into your study/productive sessions. During the breaks get up, walk around, and drink a glass of water (stay away from sugary or caffeinated drinks, they’ll just make you crash).

Memory world champions use a simple and amazing technique to remember vast amounts of knowledge, and be able to recall it at will. It’s the loci method and you can use it too. It takes ad...