Weird period?

My period used to be normal flow in about 5/6 days but now its really weird.Day 1 im almost just spotting. The morning on day 2 is horrible. I look in underwear when i still lay down and its just a few spots. I stand up and go directly to the toilet (about 20 sec) and when I'm there My whole pad is soaked and its just flowing. If i put on a pad and tampon 6:30 i bleed through at about 7:30. After that i change tampon every 2nd hour until about 13:00 when starts being normal. The day after that the morning until 8:00 is the same but then I just spot after that.4th day is just spotting. This may sound normal but its a god damn hell!