Anxiety isn't just a feeling — it's a full-body physiological state that quietly erodes sleep, raises pain sensitivity, disrupts recovery, and keeps the nervous system locked in fight-or-flight. In this piece, I share what I've seen in the clinic, what I've lived personally, and what the evidence actually says about breaking the anxiety-sleep cycle without numbing it. Alcohol borrows calm from tomorrow. Cannabis can mask symptoms and amplify them long-term. Here's what actually heals the nervous system.