Missed period

So I was suppose to start my period on the 4th I did start bleeding well what I thought was my period but I didn’t have no pad on only bleeding when I went to the bathroom yesterday I put on a pad when I got up at 6 cause I’m like it’s gone be heavy but I had the pad on from 6-2 with not a lot of blood at2 I changed it went to sleep woke up pad nothing in it.. today no bleeding.. Should I be worried???