Straight answers about smart rings and caring from afar
Direct answers to the questions people ask before they buy a smart ring or when they worry about someone far away.
Does a smart ring track sleep better than a watch?
A sleep ring is not clearly better than a watch. In the research we read, both are good at sleep versus awake and only moderate at sleep stages.
Living far from your parents: how can you keep an eye on their health?
Start with their agreement, a regular call and someone nearby. Then add tools that tell you when something is wrong. What a care circle can and cannot do.
Smart ring subscriptions: what you pay for after you buy the ring
Some smart rings charge a monthly membership and some do not. What Oura and Ultrahuman say on their own pages, and how Zenlyf's plans work.
Choosing a health tracker ring: fit, finish, cost and what it measures
Smart rings are not made separately for men and women. Choose by finger size, comfort, finish, ongoing cost and what you want to track.
The Oura Ring in Nigeria: what it costs, where to buy it and what else exists
What Oura lists for the Oura Ring 4 and Ring 5, how its membership works, and what we could and could not confirm about buying in Nigeria.
Which heart rate monitor should you wear: a ring, a watch or a chest strap?
A heart rate monitor can sit on your finger, wrist or chest. What each does well, what two studies found, and how to choose.
Pulse oximeter or smart ring for checking your oxygen level
Buying a pulse oximeter or a smart ring to track oxygen? When a fingertip oximeter is the right tool, what a ring can show overnight, and the limits of both.
Where to buy a smart ring in Nigeria, and what to check before you pay
Buying a smart ring in Nigeria? The main routes, what Oura, Ultrahuman and Zenlyf each say about delivery, payment and returns, and a checklist before you pay.
A fall alert for elderly parents: pendant, watch, ring or phone
Choosing a fall alert for an elderly parent? Pendant, watch, ring or phone compared: what each needs, who is alerted, where each can fail.
How to choose a sleep tracker, and what to expect from one
Choosing a sleep tracker? Ring, watch, headband, under-mattress sensor or phone app compared by comfort and data, with what the research says about accuracy.