I would say adult life is harder. It's not just the fact that you have to study/work and worry about money. There's a million other things you have to worry about. Think of all the things your parents have to do over a year. Now imagine it's just you taking care of all those things and you can't just half-arse it either.
Sine I moved out, I've had way more stress in the past 6 months than I had in the last 17 years.
Not saying it's all bad though. You have a lot more freedom and if you do eventually get some spare time you can sit around the house eating, masturbating and playing games if you want