helpppppp

so I'm currently 4 days late tuesday around 6pm went to the bathroom wiped saw pale pale pinkish on the toilet paper yesterday i thought ok here comes AF the whole day up until today around 4pm i saw bleeding it wasn't heavy very very light with one and two small pieces of clot nothing to use a tampon for took a test when i was one day late came up negative anyone know what this might be i use to eat a lot very often but now my appetite is not the same if i ate once i be eating a lot been having to take naps never use to take naps get lite headed every so often also had cramping yesterday not too bad but bareable