Alcohol has been proven to be detrimental for sleeping well.
https://www.cornerstonesocal.com/blog/how-can-alcohol-affect-your-sleep/
At all dosages, alcohol can make us fall asleep faster.
At all dosages, alcohol shortens the first half of your night’s sleep.
At all dosages, alcohol causes sleep disruptions in the second half of your night’s sleep.
At all dosages, your first REM sleep stage is significantly delayed, and you get less REM sleep.