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Sharp is physiology.

Six tests place you against published cohorts. Together they say which of the three axes to train next.

Your reserve

nothing measured yet

Three things the six tests measure, each against a published cohort. Two minutes apiece.

EngineOxygen you can move under load
VO2 maxWalking speed
FrameStrength held in reserve
Grip strengthPush-ups
ControlBalance, and getting off the floor
One-leg balanceSit and rise
Start with VO2 max

Results stay on this device unless you save them.

What moves the numbers

Six habits, heaviest evidence first. Each one opens the tool behind it.

1Sleep

One short night slows reaction time about as much as a couple of drinks does.

Sleep check, 2 min
2Train before work

Attention runs sharper for two to three hours after a session, the same day.

16 minute session
3Walk after lunch

Ten minutes flattens the glucose rise that becomes the 3pm slump.

5 minute desk reset
4Cut caffeine earlier

Coffee 10 hours before bed still fragments sleep you never feel breaking.

The cutoff math
5Know your pressure

The quiet number behind long-term brain health. Thirty seconds a month.

Log a reading
6Retest monthly

Reaction, memory and focus move with sleep. The trend is the signal.

The three tests

The long game

The habits that sharpen this quarter are the ones that protect the brain for decades: the Longevity Program is the same system on a longer clock. When you want expert eyes on your numbers, the Health Review returns a written map, and questions reach our panel in writing or on video, your choice.

Common questions

Does exercise actually improve focus and productivity?
Yes, and the effect is same-day: trials show sharper attention and working memory for two to three hours after moderate exercise. The dose is modest: a brisk 20 to 30 minute session, or 16 guided minutes of strength work. Over months, regular training also raises baseline energy and mood, which surveys of high performers keep reflecting.
How do I fix afternoon brain fog?
The usual causes stack: a short night, a large refined-carb lunch, caffeine timed wrong, and unbroken sitting. The counter-moves are cheap: seven plus hours in bed, a ten minute walk after lunch, the last coffee 10 hours before bed, and a five minute movement break mid-afternoon. Persistent fog despite these deserves a checkup; low iron, thyroid and sleep apnea all present as fog.
What health checks matter most for high performers?
The ones that predict decades of output: blood pressure, blood sugar, cholesterol, sleep quality, and from midlife, screening on schedule. Our five-check health score adds reaction, memory and focus as a trainable baseline. Executives buy this as a package at longevity clinics; the measuring layer is free here.
How much sleep do high performers actually need?
The same seven to nine hours as everyone else. The four-hours-a-night executive is mostly myth and partly selection: performance on complex work degrades measurably below seven, and the degraded do not notice their own decline. Guarding sleep is the most defensible edge there is.

Keep going, free

What training movesExercise and mental healthBrain training, honestlySleep on hard schedulesYour longevity plan
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