Head to the Bar: Ep 1 notes and links
Matt Murphy’s advice for building concentration involved the Pomodoro technique. There are lots of apps and programs to help track your time, one Pomodoro at a time, or you’ll need a 25 minute timer.
There are also lots of online classes for meditation and mindfulness, which can help build concentration and may also help to diffuse pre-exam nerves. Smiling Mind is free.