Try to set smaller studying hours. Take small breaks, set daily targets for your study. It will help you stay motivated.
killerhealth
Make a schedule and stick to it. Add breaks and your hobbies to it
lemonadechris
make a schedual/timrtable , take breaks ajd if it hepps 0lay music while studying
abjectDingo5
I think u should relate ur studies with ur favorite things
gemy
u can try pomodro technique in which u can set ur time like 1 hour study and 10 min break to relax but whenever ur studying give it full attention u can set ur own hrs of study and of break