Home Monitoring & Wearables

A blood test is a photograph. These are the film.

A single panel captures one morning. Your body is a moving story. This is the continuous layer — how you watch what happens between tests, so a doctor reads a trend, not a snapshot.

By the question it answers

Organized by what you're trying to understand — not by brand.

Heart rhythm

ECG, Holter & event monitors

From a watch's single-lead ECG that catches atrial fibrillation in 30 seconds, up to the 12-lead in clinic, and the Holter or patch monitors worn for days to catch what comes and goes.

Consumer single-lead is a prompt to get checked — not a 12-lead.
Blood pressure

Home cuff, ABPM & cuffless

A home upper-arm cuff for routine tracking, the 24-hour ambulatory monitor (ABPM) as the real gold standard for diagnosis, and newer cuffless watches for trends.

Cuffless watches are promising for trends, not a validated substitute for a cuff.
Metabolic

Continuous glucose (CGM)

A small arm sensor showing glucose in real time — and, more usefully, the curves: how you respond to meals, stress, sleep and exercise. Read the full CGM guide →

For non-diabetics it's a learning tool, best read with a clinician.
Oxygen & breathing

Pulse oximetry & sleep apnoea

Fingertip and wearable SpO₂ for overnight oxygen trends — and the doorway to screening for sleep apnoea with home sleep tests.

Spot readings reassure; the overnight trend holds the signal.
Sleep & recovery

Rings & straps: HRV, sleep, temp

Sleep stages, resting heart rate, heart-rate variability, respiratory rate, skin temperature and a daily readiness score — the closest a consumer device gets to your nervous system.

Great for trends; not a diagnostic sleep study.
Activity & body

VO₂ max & body composition

Watches estimating VO₂ max and training load, and smart scales for body-composition trends — the bridge to the Endurance & Longevity world.

Estimates, not lab-grade CPET or DEXA.
The honest hierarchy

Signals to act on — not verdicts.

Consumer wearables → trends, screening, behaviour change

Rings, watches, home cuffs and OTC sensors are brilliant for spotting patterns and changing habits. They start a conversation.

Clinical monitors → diagnosis

12-lead ECG, ambulatory BP, Holter, formal sleep studies and prescription CGM are for diagnosis — and only a doctor reads those.

This page is only things that measure. Treatment devices people often lump in — CPAP masks, red-light masks, saunas, PEMF — aren't here; they live in Longevity & Therapies. Everything here ends the same way: understand it, message us, and an independent doctor decides whether it's worth doing and what it means for you.

Turn a snapshot into a story.

Tell us what you're trying to watch. We'll point you to the right device and connect you with a doctor to make the data mean something.

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