Replace the evening drink with an alcohol-free ritual that marks the shift from...

https://wiki-view.win/index.php/Why_does_my_alcohol-free_routine_work_for_a_week_then_fail%3F

Replace the evening drink with an alcohol-free ritual that marks the shift from work and gives you a reward. Notice what alcohol was doing, then add a satisfying sensory cue and permission to properly switch off.