question: I haven't gotten the most sleep under my belt in the past few days, tonight I went and had some drinks with my friends (3 beer), and then went a saw a movie.  When I got home I was quite tired so I preceded to grab some sleep, I was aware of my heartbeat when I went to bed, but this is normal for me.  I was woken up after barely dozing up and I had a pounding heartbeat, it didn't bother me but I decided I wanted some water, I got up and walked to my water cooler to grab some water, I felt a bit of panic and dizziness, so I thought taking a short walk around would get rid of it, I went up the stairs, and noticed my heart rate was down, started feeling  dizzy, panicky, sweaty, so I laid down and had a couple heart palpitations, I called for my girlfriend to call the ambulance, she came and checked me out, and I started to calm down, my breathing was fine, I sat up and relaxed, I feel alright right now just a little shaken up...was this a panic attack? is it normal for my heartbeat to slow down like that? I felt like the palpitation was jump starting my heart?