what happened yesterday ???

i think everything kinda caught up with me yesterday...i can home and crashed completely...without taking meds even...i was sleep before 5pm...and then woke up confused thinking it was morning at aroudn 7/8 and thinking i was so tired and going back to sleep.....and yeah...later realized it was night time still and not morning...now its morning and im trying to wake up and figure out what it is that i need to do today..and instead im like omg i just slept for almost 12 hours or something..wth ??? nothing was waking me up...good grief....missed the entire day yesterday....crud