38 Year Old Woman, 5'5 185lbs. I've Been Unable To

38 year old woman, 5'5 185lbs. I've been unable to stay asleep at night for more than 2 hours at a time so I've been trying different ways to keep myself sleeping... Benadryl, NyQuil ZZZ, Melatonin, even a few shots of vodka (none at the same time). They all seem to help but last night I wasn't able to sleep at all. As soon as I'd start to doze off I'd get this weird feeling in my chest kind of like a nervous tummy flip and i sit right up and take a deep breath. No tightness, no pain in my chest. I thought maybe I was having a panic attack but that doesn't make sense when I'm so relaxed that I'm falling asleep then boom that weird feeling comes on. Last night my heart would be racing 105bpm when I sat up. Tonight I'm beyond exhausted, I took melatonin and it is not working. I've tried laying down and that same feeling is happening. I took my BP and it's elevated 142/98 95bpm. I'm not sure what to do. Help!!!!!!