I agree. Personal experience is that even moderate drinking causes poorer sleep and mental performance but can only be observed after you have been clean of alc

I agree. Personal experience is that even moderate drinking causes poorer sleep and mental performance but can only be observed after you have been clean of alcohol for months. After you are in the habit of drinking multiple times per week you can not compare your state to the baseline of non drinking. I ran into this by accident when training for a race and did not believe it when people told me.