Yes. I've tried avoiding caffeine during my year off. When I don't (even after weeks of abstinence) I sleep 12-14 hours a night and still need a nap during the day, which is incompatible with having both a day job and something approaching a well-lived life involving laundry. So I drink caffeine, to be compatible with the labour market.
You need more than weeks of abstinence, friend. Ive generally noticed 1-2 months are necessary to recover from all of the awful side effects of caffeine (from drinking a tiny amount of coffee per day - my body is just very sensitive to it). I urge you to try it.