The department of
Sleep
Sleep is the nightly repair cycle that shapes mood, memory, and metabolism — find essays on insomnia, sleep hygiene, REM cycles, and honest mattress notes.
Pieces
6
Sleep
August 2026 · 6 min
A Smart Ring Product Review That Starts at the Skin: 412 Nights, Three Rings, One Millimeter of Plastic
Over three years, an Oura Ring 4 costs $564.64 — $349 for the hardware, $215.64 for thirty-six months of membership at $5.99.
By Sophie Alderton · Read →
Sleep
August 2026 · 11 min
Smartwatch Anxiety Rests on Three Patients: What That Number Does and Doesn't Prove
Three. That is the number sitting underneath nearly everything you have read about smartwatch anxiety. Not three hundred. Not three thousand.
By Natalie Forsythe · Read →
Sleep
August 2026 · 6 min
A Screenless Fitness Tracker Review, Judged on One Question: Can It See My 2 p.m. Espresso?
Every fitness tracker review I read before buying answered a question I didn't have. I didn't need to know whether the band segmented my intervals correctly.
By Sophie Alderton · Read →
Sleep
August 2026 · 11 min
Fitness Tracker Review: Three Screenless Wearables vs. One 2 p.m. Coffee
The question was narrow: if I take 200 mg of caffeine at 2 p.m., does the thing on my wrist notice? Not does it tell me I slept badly — that part is easy, and everything from a $99 band to a $349 ring…
By Judith Hawthorn · Read →
Sleep
August 2026 · 6 min
Fitness Tracker Review: Three Screenless Bands vs. a Chest Strap, an EEG Headband, and 150 mg of Caffeine
The most accurate thing a screenless band told me this summer was that I'd taken caffeine at four in the afternoon. It never used those words.
By Sophie Alderton · Read →
Sleep
August 2026 · 6 min
I Tested a $299 Vagus Nerve Stimulation Device Against Ten Minutes of Free Breathing for Fourteen Weeks
The standard advice about vagus nerve stimulation is that you shouldn't pay for it. Breathe out twice as long as you breathe in. Hum. Splash cold water on your face.
By Natalie Forsythe · Read →
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