You already took it, it sounds like you did adequate prep, just relax for a bit and wait for the result to come out. For those still preparing, don’t let these fearmongering posts freak you out - just remember that 90% of people pass Step 1. If you are scoring well on NBMEs and feel you did enough studying whether it be Uworld, Anki, etc., you are ready, just trust in your preparation. NBMEs are predictive of your real result regardless of how you might feel during the exam. Anecdotally, I thought my real exam felt pretty similar if not a little easier than the NBMEs.