Was i drugged or can this happen with alcohol? Please help

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So I been drinking on and off for the last 6 years. Many times i have drank so much that im still aware of my surroundings even after throwing up, I am super drunk but i know where im at and can stop myself from passing out easily, basicaly i feel in control , my brain cant turn off or pass out without my permission no matter how much i drank.

2 weeks ago, i drank again after a while. I drank 6 shots all within 2 hours. Then i went to the bar and drank 5 more shots in an hour. Its probably the most i drank. Fast forward something took over my body and it was as if i was sleep walking on and off, not consious anymore and someone else was piloting my brain and body, kinda like when your dreaming and go on and off to 2nd and 3rd stage of deep sleep.

Last thing i remember was a druggie prostitute on the street saying if i was ok and put my arm around me and asked if i needed some company, when she did that my consuisness was kicking in a little and in my head i said “oh hell no i gotta go before i get jumped or robbed”,

i was stumbling really bad then my counsiousness left my body, and theres no way or any explanation i can give myself of how i ended up walking nearly 40 mins without remembering the 40 mins and into a store, again my counsiousmess kicks in for couple seconds once in store , mind you i was sleep walking through all the walk, eyes open but no counciousness or recall of any of that walk etc.

So once in the store everything was so blurry and i was stumbling and all i remmeber was an old hatian man that was probably staff screaming : dont go anywhere! Dont go, i said dont go! . Then i all i remmeber was regaining counsious in the ambulance and saying some words then passing out . When i woke up i was at the hospital confused, “sir where am i and what happen? I am so confused”

When i woke up, all that 40 min walk and store event and ambulance feels 100 percent like a dream, thats the scary part. It feels like a false memory even today, i feel like none of that happen no exxageration. And im still shocked on how all this happened, it never has happened in 6 years of drinking on and off