Drinking a lot makes me not be able to sleep for the next 2 or 3 days. What to do?

I’m M23, 193cm (6ft3) and weigh about 107kg.

I have this weird thing where if I drink a lot for 2 days straight, I then can’t sleep for my life at all for the next 3, maybe even 4 days. I feel like I have really high blood pressure and when I lay in bed, I get these hot flashes where I start sweating like crazy, then I go so cold I’ve to stay under covers.

These flashes happen really often and also my joints feel like they’re burning on the inside. Especially my knees. I’m now on day 3 of no sleeping and I took 150mg of dipherhydramine (benadryl basically) and that just made me even more exhausted and still unable to sleep.

I’m so desperate I’m thinking of buying like 2 or 3 beers just so I can fall asleep but at the same time I don’t want to touch any alcohol..

What can I do to actually fucking sleep pls