you prolly got a headache because you didnt drink enough water.. your body was dehydrated and also compensating for the over abundanced of GABA in your brain, and the lack of it in the morning.. thats why people who are alcoholics get the delirium tremens when they try to quit drinking cold turkey, and can die of horrible seizures!
just drink lots of water.. maybe take a few tokes of some chronic,.. and get some good sleep.. heeh youll feel better
for the headache take vitamine b always help ...if u havent drink a red bull that contains some