1st Silenor / Sinequan Update - Feeling Bad

I reduced the dose of Doxepin from 50mg to 40mg on Nov. 1. Yesterday I actually felt pretty good. Like a bit of "me" was returning. Today I'm completely numb. And, severely cognitively impaired. The hard part is that this feel like the true/new me. Which is scary. This feels like true depression. I cannot think clearly and I cannot feel any interest in anything. It's as if my true self is missing. There isn't any crisis, trauma, crazieness going on like there has been in the past, but I'm just... gone. Has anyone else felt this way?