Divide your work into Priority and then decide,

Divide your work/actions into priorities

• Top priority
• Important
• Casual

Top priority includes Reading

Important includes daily activities like playing outdoor games , gym , health , fitness, Relaxing.

Casual includes internet , games.

Top priority work goes in your Main time / Crucial Times of the day.

Important work in remaining hours.

Casual only if you have time left.

Sometimes / during certain days Important / Casual work can take top priority to refresh your mind.But during exams , top priority should be to study in crucial times rather than casual activities in Crucial times.