In general:
-female teens: 24–34 hours
-male teens:24–32 hours
-adult men:12–24 hours
-adult women:18–28 hours
-elderly men:20–28 hours
-elderly women:24–30 hours.
Note:this study has included the ‘sleeping’ time for contestants who drunk for overconsuming alcoholic drinks and may vary from one person to another(it also must consider age,race,symptom,gender,alcohol concentration,and anything has relation with it).
Sometime someone who don’t used to drink alcoholic drinks will find the ‘effect’ last longer than someone who used to drink big amount of alcohol.