Sometimes when I m trying to sleep my heart starts beating really fast and it only happens once in a while but it s been going on for like about a year and then last night my heart started beating pretty hard/fast in like less than 2 seconds but I felt really uncomfortable afterwards. There was a situation around September ish of 2014 where I was at school and throughout the day my heart would randomly start beating fast/hard. And each time this happened, I had to breathe in really hard for my heart beat to slow down. I don t know if I should go to the doctor.. Maybe it s anxiety or the junk food I eat(I m a teenager, 17) but I highly doubt it since I only weigh around 135 lbs.
If it is for seconds ignore it. Looks like some anxiety. Do reg exercise, avoid too much caffeine in coffee and soda. don't take energy Chat Doctor.