Regulated nervous system doesn't mean you are calm constantly. You've probably heard the phrase "regulate your nervous system" — but what does it actually mean, and why is everyone talking about it? If you've been feeling exhausted despite resting, wired but tired, emotionally reactive, or like you just can't switch off — your nervous system is likely stuck in survival mode. And no amount of willpower, productivity hacks, or green smoothies will fix that. Here's what nervous