quit energy drinks for 30 days. update: still tired but less shaky

was doing 2 to 3 cans a day during last sem. red bull for morning lectures, monster for the night study. heart was doing weird things and my hands would shake during practicals. stopped cold turkey on aug 20. first week was headache city and i slept through 2 lectures. week 2 was okay. now day 30 and i'm still tired lol but it's normal tired, not the jittery kind. also saving like 3000 a month which in hostel money is a lot. replaced it with cutting chai from the tapri which is probably also not great but at least it's 10 rupees. anyone else quit this stuff? did the tiredness go away eventually?