CIRCADIAN PERFORMANCE LAB
Question 2 of 5 (40%)
Circadian Cognitive Peak & Ultradian Sync Test — Select the option that most accurately reflects your natural response.
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Scenario #2
How long after waking up does it take before you can solve a hard math or coding problem?
💡 Context: Measures Sleep Inertia dissipation rate and prefrontal adenosine clearance.
👆 Select an answer above to unlock Step 3 Continue to Question 3 →
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Why This Metric Matters (Sleep Inertia Half-Life)
Adenosine clearance in the basal forebrain takes 60 to 90 minutes post-waking; ingesting caffeine in the first 15 minutes masks residual adenosine and triggers an afternoon crash.