Bad cramping/tightening

I'm 17 + 2 and at about 2 am I woke up from cramps. I know it's normal to tighten up after orgasming but we went to bed at 11:30 so I don't think that's what it was from because of the time between. It lasted for a while maybe an hour. They were pretty bad I don't know what contractions feel like or Braxton hicks so could that be what it was? They were worse when I was laying down if I sat up they lightened a little but when I laid back down they were bad again. I'm kinda freaking out and can't see a doctor for a few weeks. I'm moving out of state tomorrow and my doctors office is booked solid today and I won't have insurance for about two weeks when I move. I wasn't worried about it but now I'm freaking out a little bit. Any advice would be greatly appreciated!