Brown spotting with very little light pink?!

Not sure what I got this morning? Had an odd dream last night that I had cramps and got my period. Well this morning I had a cramp on my right side fallopian tube, i did my CM check and there was bright red blood, but that's all the bright red I've seen. And now all I'm doing is spotting brown, and still have the minor cramp. Anyone know why? Just odd.