How to fkin sit and study w focus

Bhaiyo idk why mera exam 10 din me hai or mene kuch zyada nahi padha or bhai I can't just sit and study, everytime I try to do kuch na kuch hojata ya me he distract hokar kuch or karne lag jaata. Idk man this feeling sucks. Or jab tak kuch samaj aata raat hojati hai