The department of
Wearables
Wearables track sleep stages, heart rate variability, and resting heart rate on your wrist or finger; here are reviews, accuracy notes, and field tests.
Pieces
6
Sleep
August 2026 · 6 min
Smartwatch Deals and the 2pm Rule: Five Watches, One Evening Coffee, Six Weeks of Data
Every September the wearables go on the front page, and a certain kind of buyer — me, for about six years — starts justifying the upgrade with sleep. The pitch writes itself.
By Samuel Briggs · Read →
Sleep
August 2026 · 5 min
Apple Watch Deals Before the Series 12: I Wore Three Generations to Bed for 41 Nights
The sleep-tracking upgrade you're waiting for already shipped, and it shipped in 2022. Everything after that has been faster charging, a brighter screen at 3 a.m., and a slightly nicer thing to have…
By Marcus Webb · Read →
Wearables
August 2026 · 10 min
The Smartwatch Comparison Nobody Runs: One Number, Three Sports Watches, and 31 Nights of Being Wrong About My Own Sleep
Every smartwatch comparison I read before buying ended in a spec table, and every spec table put sleep staging in it like it was a settled measurement — same column, same confidence, as water…
By Sophie Alderton · Read →
Wearables
August 2026 · 11 min
I Hand-Counted 1,004 Steps to Stress-Test Sleep Tracking Technology
The tally counter cost four dollars and does exactly one thing. I carried it in my left hand around a measured loop of my block, clicking once per heel strike — left and right, no doubling, no…
By Judith Hawthorn · Read →
Sleep
August 2026 · 11 min
What 41 Days of Hand-Counted Steps Taught Me About AI Fitness Technology
For six weeks I carried a mechanical tally counter in my left pocket and clicked it once per footfall on eleven measured routes. The point was never to count steps.
By Diane Norwood · Read →
Wearables
August 2026 · 6 min
Your Wearable Device Ecosystem Is a Streaming Service: 30 Nights, 3 Devices, One Coffee Cutoff
I spent thirty nights trying to prove that the most expensive part of my wearable device ecosystem was also the least useful part. It is. The sensors are quietly good.
By Emily Drayton · Read →
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