Hello There,my Name Is Jeevan And I’am A Student (19

Hello there,my name is jeevan and i’am a student (19 years) and I am experiencing irregular heart beats at night. they happen when ever I wake up.its more like my heart
Pauses For some time and gets harder beats(which are missing the rhythm)is this normal,and I get these kind of things for once in a while(is there anything that I should concern my self with)thank you.