hi mate,it sounds like the others have covered good advice so I wont rave on too much(almost impossible for me.lol,but I have type 2 that is apparently less severe as 1,but I know now I have definately had type 1 on a few occassions,I was told once about PMT that you can have symptoms for up to 10 days before,but if yur tired which maybe not,as you said you sleep a lot,that can be enough to go off easily,I'm the same,but try to curb it.good luck,keep us informed.