Break down your study time into smaller units. Having a defined time set for studies will help you focus on the tasks at hand.
Setting up the right environment is equally important to stay focused. Pick out a quiet space to minimise distractions.
Determine what you want to accomplish in each study session. Clarity of the tasks removes ambiguity and makes it easier to focus on and complete.
Make use of methods like the Pomodoro technique focusing on your subject area for 25 mins, followed by a 5 mins break. This boosts focus and prevents burnout.
Turn off your notifications and put your phones out of reach. Make use of distraction blocker apps available on the app store.
Drink water and eat well. Staying hydrated fuels the mind to remain focused.