Zenith Within by Dr. Sara

Zenith Within by Dr. Sara

Unlock Productivity By Rewiring Your Brain’s Core Systems

Part 1 of 3: The Productivity Prescription Series

Sara Redondo, MD, MS's avatar
Sara Redondo, MD, MS
Nov 01, 2025
∙ Paid

We often view productivity in terms of access to tools, and willpower. We locate planners, download applications, and attempt to just make ourselves work regardless of how we feel.

But, what if your productivity has more to do with your health than anything else?

Think on your best days.

You were “in the zone,” everything flowed effortlessly and you sat down that night feeling a deep sense of accomplishment. You felt good. You had the good physical and mental energy to make a healthy meal, forgo your ‘Device-time’ and enjoy time with your loved ones, or just relax without worry and stress over unfinished tasks.

On those days of unproductivity, however, we feel overwhelmed, lethargic, and defeated. During these times, we order takeout, skip our time for working out, and scroll our phones on the couch in self-judgment.

There are countless “gurus” and courses out there charging hundreds, even thousands, of dollars to teach you complex “systems.” They promise to make you a productivity machine.

But here’s the secret: Most productivity advice fails because it ignores the machine itself.

You can’t optimize the software on a computer that’s overheating and has no battery life. The same is true for your brain. You can’t use a “time-blocking” technique if your brain cells are literally struggling to get energy.

In this three-part series, we’ll rebuild your productivity from the inside out—grounded in neuroscience, clinical evidence and medical knowledge, translated into plain English, with ready-to-use tools you can apply right away (downloadables included!).

  • Part 1 (Today): We build your “high-performance hardware,” priming your brain with the right sleep, nutrition, and movement.

  • Part 2: We install the “focus software,” learning to tame the distractions of the modern world and enter a state of deep, satisfying flow.

  • Part 3: We create the “sustainable system,” learning to manage your energy (not just your time) to beat burnout for good.

Today, we lay the non-negotiable foundation.

And to make it immediately practical, you can print “The Physician’s Peak Performance Protocol” for a measurably more productive tomorrow.

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