/sci/ - Science & Math

>woke up 1.30 at night
>something feels wrong, vision is askew
>wtf is happening, am i having a heart attack?
>sit up, begin to feel heartbeat
>then all seems normal again
>no cold sweat or hurt in arm, those are signs for heart attack, right?
>go to toilet, have a drink, go back to bed
>feel myself drift away, but then i focus on it and stay awake
>don't wan to fall asleep and experience that again
>lie in bed like that, almost falling asleep and waking up again
>after 2 fucking hours i get tired of it and get up at 3.30
any idea what that could have been?
would i have been sure if it was a heart attack?

i'm too paranoid to go back to sleep now

but what does this mean FOR ME?