Uncertainty is the stressor, not difficulty
There’s a study out of UCL that gets quoted a lot, and for good reason. Researchers had volunteers play a game where turning over rocks might deliver a mild electric shock. The most stressful condition, measured by cortisol, pupil dilation, and skin conductance, wasn’t the one where a shock was guaranteed. It was the 50/50 condition, where you had no idea what was coming.
Read that again, because it’s the whole post. Knowing something unpleasant is going to happen is easier on your body than not knowing. Your nervous system can budget for a known cost. It cannot budget for a maybe, so it stays partially braced all day just in case.
Now apply that to a life with no rhythm to it. Erratic sleep, meals whenever, no reliable movement, a calendar that changes shape every morning. None of those things are traumatic. They’re just unpredictable, and your system responds to unpredictability by staying a notch more alert than it needs to be. That notch is what you feel at 3pm when you’re tired but wired and can’t explain why.
Your body is running on clocks you're not consulting
Underneath all of this is a network of internal clocks that expects a schedule whether or not you provide one. There’s a master clock in your brain that takes its cue from light, and smaller clocks in nearly every organ that coordinate with it. They govern hormone release, digestion, body temperature, alertness, and repair. They run best when the inputs arrive on time.
When you feed those clocks conflicting information for six weeks, they don’t break. They just get sloppy. Sleep gets shallower, digestion gets weird, and the recovery work that’s supposed to happen overnight gets less done than it should.
This shows up in our office more than you’d think. Late August and September are reliably busy for us, and it’s rarely because someone did something dramatic. It’s the person whose neck has been fine all year, whose summer was a beautiful mess, and who now can’t turn their head to back out of the driveway. Tissue that isn’t recovering well and a nervous system that’s been mildly braced for weeks is a setup, and eventually something ordinary tips it over.
Anchors, not a color-coded planner
The good news is you don’t need a rigid schedule. You need anchors, which is a much lower bar.
Pick a wake time and keep it within about an hour, weekends included. Get outside in the first hour you’re up, which in Miami is less of a challenge than it is in most places, since the sun arrives whether you asked for it or not. Eat at roughly consistent times. Put movement at the same slot most days, even if it’s ten minutes. End the day the same way so your body gets a reliable signal that the shift is over.
Four or five predictable points is enough. Everything in between can stay chaotic, and it will, because you’re a person and not a spreadsheet.
One caveat, since I don’t want to oversell this. Predictable is not the same as rigid. A nervous system that falls apart when plans change isn’t calm, it’s fragile. The goal is a stable floor, not a cage.
If your body has been complaining since the summer schedule collapsed, that’s worth looking at rather than waiting out. Come see us, we’ll sort out what’s actually going on.
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