So i think i have heart palputations? should i be worried? please read this i need some answeres cuz im scared?

my mom had them all the time, she would have them for like 10 mins or longer. i nver had them until i turned like 13 and now im 15 years old. i only get them like a second or two, but first of all i dont even know if i truely have them. soo for example i was laying in bed yesterday and just out of nowhere my heart beats really hard and feels eregular and i have to catch my breath. i get them like everyday once a day. do you think im having heart palputations? if so should i be worried? should i speek to a doctor?