Suggest Treatment For Headache And Dizziness After Drinking

hi, well i got really drunk the other day...tuesday to be exact, we started drinking at 11pm then we kept on drinking until wednesday like at 11am...i woke up on wednesday at 5pm with the biggest headache and i felt like vomitting and really dizzy and went back to sleep like at 8pm that same day...the next day thursday i felt a little better nut light headed all day...and today i still feel light headed...why could that be?