Quantified self: sleep tracking and CO₂ monitoring cut my brain fog from ~16% to 5-10%
menhguin · x · 2026-09-06
The author shares a quantified self practice: tracking sleep as a number to always get at least 7 hours, which made improvement feel motivating. An Aranet device monitors indoor CO₂ and pings when a closed window causes brain fog-inducing levels—already worth its cost. Overall brain fog dropped from 16% to 5-10%, plus analytics correlating sleep with other metrics and recalling past activities.
Related event: Users Wire Oura Ring and CO₂ Monitor Into AI Agents to Cut Brain Fog(5 posts)→
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