r u takin any kindof supplements or medication lately? try thinkin of small small things dat u had added in ur routine. once i had a severe muscle cramps n fatigued body all of sudden n i was blamin on my long shift wrk n less excerise but it was actually d folic acud supplements i was takin for some silly reason i stopped takin it n i wasss like in heaven afta dat : ) . think of anythin like dat or could me lack of excercise