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
A close-up macro photograph of two smart rings resting on a dark walnut nightstand…
Wearables July 2026 · 10 min

Two Smart Rings, 40 Nights, One Afternoon Coffee: The RingConn Gen 3 Review

The claim you have heard, probably from someone holding their phone at brunch: buy one of the good smart rings, drink your coffee too late, and the app will hand you the bill in the morning. A score.

By Elliot Carver · Read →
A photorealistic overhead shot of a rumpled white bed at dawn, empty and unmade…
Sleep July 2026 · 6 min

Samsung Health AI Features vs. My Sleep Data: Six Weeks Trying to Get It Back

Here is the question I could not stop turning over, somewhere around the fourth night of sleeping in a watch: if I let Samsung Health AI features grade my sleep every night, whose sleep is it…

By Megan Caldwell · Read →
A person lying flat on their back in a dimly lit bedroom at night…
Sleep July 2026 · 6 min

I Wore Three Head-Mounted Displays to Bed So You Don't Have To: What Virtual Reality Actually Does to Sleep Onset

For six weeks I ended my evenings the way a certain corner of the wellness-tech market keeps insisting I should: strapped into a headset, watching a virtual campfire or a slow drift over digital…

By Megan Caldwell · Read →
Close-up macro photograph of a sleek fitness smartwatch resting on a rumpled white linen…
Wearables June 2026 · 9 min

When Should You Take Your Wearable Sleep Tracker Data to a Doctor?

Your watch told you that you slept 7 hours and 14 minutes, that your "sleep score" was 87, and that you spent 14% of the night in deep sleep. The number felt good.

By Megan Caldwell · Read →
A dark bedroom shot at dawn, viewed from above the nightstand where a smartphone…
Wearables May 2026 · 5 min

Do Sleep Apps Actually Know When You're Asleep?

You wake up, reach for the phone, and there it is: a number. 78. A little hypnogram with tidy colored bands — light, deep, REM — as if a technician sat beside your bed all night with electrodes and a…

By Judith Hawthorn · Read →
A close-up overhead photograph of a person's wrist resting on a rumpled white linen…
Sleep Apnea May 2026 · 4 min

Your Apple Watch and Sleep Apnea Detection: What the Wrist Actually Sees

There's a question a lot of Apple Watch owners have quietly asked themselves around 2 a.m., usually after a partner has complained about the snoring again: If something were really wrong with my…

By Claire Munroe · Read →