Sorry I missed this on monday!
Your drinking is very similar to mine. And yes...I was shaking and sick within a few hours of going to work from withdrawl even though I drank a third of a fifth before work.
I would suggest you see a dr. right away. They can help get you through the detox phase, and through the adjustments your body may make in the coming months.
I had lots of nightmares but they have faded for the most part.