You hit 3 of the big ones already SIB , clearer head , sleep , good appetite , but there tons more of smaller ones too , some barely noticeable, some you start to take for granted, and that's when you need to be careful, cos I drink and bang ,all those little improvements you barely noticed are gone but are now glaringly obvious . Hope you keep going , oh a week before I stopped I could barely write my name , 6 plus months sober I'm here wishing you luck .