Wired, Tired, and Told You’re “Fine”

There’s a particular kind of exhausted I hear about constantly. You drag through the morning like you’re walking through wet cement — coffee barely touches it. Then late in the evening, when you’re finally supposed to wind down, your body flips the other way: tired to the bone but wired, mind going, sleep just out of reach. And in between, the ordinary stuff — the email, the dishes, the text you owe a friend — quietly costs more than it should.

If that’s you, there’s a good chance you’ve also been told your bloodwork looks “normal.” Maybe someone even checked your cortisol — once, in the morning — and waved it off. So you’re left with a strange gap: the labs say fine, your body says otherwise. That gap is real, and it isn’t in your head.

Here’s the part standard testing tends to miss. Your stress system doesn’t run on a single number — it runs on a daily rhythm. A one-time morning reading is a snapshot of a curve that’s been moving all day and night. That “wired and tired” feeling lives in the shape of the curve, not in one dot on it — which is exactly how a single draw can look reassuring while the rhythm tells a different story.

I put the whole picture in one place — what that daily rhythm actually is, what an honest read of the research does and doesn’t support, and why the relationship between two of your stress hormones can matter more than either one alone. If the wired-and-tired pattern sounds familiar, start here → Cortisol, DHEA, and the HPA Axis: What Your Stress Hormones Reveal About Your Mood.

And if you’ve been told you’re “treatment-resistant” and quietly wondered what hasn’t been looked at yet — that’s exactly what a discovery call is for. Free, about 15 minutes, no pressure.

Warmly,

David Wiss, PhD, RDN, FMCP

Founder, FxMed Mental Health

Catch up on a past issue: What I brought home from IFM 2026 →

P.S. — “Normal” isn’t the same as optimal, and a snapshot isn’t the same as a pattern. The difference is often exactly where the answers have been hiding.