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Self Experiment

Self-experiments in sleep and coffee reveal what works for your body through tracking, habit change, and data-driven observation rather than theory alone.

Pieces 6
A close-up macro photograph of a flexible measuring tape wrapped around a thick, muscular…
Sleep Apnea June 2026 · 9 min

I Tracked My Sleep for Six Weeks Around an Offensive Lineman's Schedule to Understand Sleep Apnea in Athletes

The healthiest-looking person on a roster can have the breathing of a man twenty years older and forty pounds heavier — because, for the duration of his career, he often is that man on paper.

By Claire Munroe · Read →
A close-up macro photograph of a small white porcelain espresso cup filled with dark…
Sleep Apnea May 2026 · 10 min

Sleep Apnea and the Bedtime Espresso: A First-Person Test of Caffeine's Strange Second Life

For four weeks I drank espresso after dinner on purpose, with a diagnosed case of moderate obstructive sleep apnea and a CPAP machine logging everything. This is the report.

By Thomas Greenwood · Read →
A close-up overhead photograph of a neatly arranged nightstand at dusk, featuring a small…
Sleep Apnea May 2026 · 5 min

I Spent Three Weeks Testing Whether My Deviated Septum Was Actually Wrecking My Sleep

The mirror test is unkind. Tilt your head back, look up your own nostrils, and one side is a clean tunnel while the other is a closed curtain.

By Judith Hawthorn · Read →
A close-up overhead photograph of a nightstand at dusk, softly lit by a single…
Sleep Apnea May 2026 · 10 min

A 60-Day Mouth-Taping and Oropharyngeal Exercise Experiment for Mild Sleep Apnea

For sixty nights I ran a single-subject experiment on my own airway. I have mild positional sleep apnea — an at-home test put me at an AHI of 11.4, mostly supine — and I wanted to know whether the…

By Samuel Briggs · Read →
A quiet, dimly lit bedroom at night photographed from a low angle, soft moonlight…
Self Experiment May 2026 · 4 min

A Four-Week Experiment in Diet and Sleep Quality

The short version, before any of the caveats: across four weeks of tracking, the changes that actually shifted my sleep weren't the famous ones. Kiwis at 9 p.m. did nothing I could measure.

By Claire Munroe · Read →
A dimly lit bedroom at 3am, soft blue moonlight filtering through sheer curtains onto…
Sleep Aids May 2026 · 9 min

Cannabis and Sleep: I Tried to Use It as a Sleeping Pill for a Month

A friend who works night shift asked me, plainly, whether the joint he smokes at 6am to get to sleep is actually working or just feels like it is. He sleeps. He wakes up groggy.

By Patrick Sumner · Read →