Best smart ring for sleep
Rings are comfortable to wear at night, which makes them good sleep trackers. A few now have FDA cleared sleep features. Most do not.
From Dr. Kenny Civello, cardiologist and electrophysiologist
Reviewed October 2026. Prices as of that date.
A sleep tracker estimates your sleep each night, and you can buy one yourself. A sleep test looks for a disorder like sleep apnea, and a doctor orders it.
My picks
FDA cleared means the FDA reviewed that feature for that use. Wellness means it was not reviewed. How I choose
Oura Ring 5
The most studied ring for sleep tracking, with a polished app.
- WellnessSleep stages and readiness score
- WellnessBlood pressure signals
- WellnessCycle tracking
Skip it if you want an FDA cleared feature. Oura has none yet.
ouraring.comHappy Ring
FDA cleared to diagnose sleep apnea at home. It is not sold over the counter. A doctor orders it, and a sleep physician reviews the results.
- FDA clearedHome sleep testing for sleep apnea
- FDA clearedBlood pressure without a cuff, cleared October 2026
- WellnessStress and mood tracking
Skip it if you want a ring to buy and keep yourself.
Samsung Galaxy Ring
FDA cleared to flag signs of sleep apnea. The feature is cleared and awaiting release.
- FDA clearedSleep apnea feature, cleared July 2026 and awaiting release
- WellnessSleep and energy scores
Skip it if you have an iPhone.
samsung.comRingConn Gen 3
Full sleep tracking with no monthly fee and a long battery.
- WellnessSleep tracking
- WellnessSleep apnea screen, not FDA cleared
Skip it if you want a medically reviewed sleep apnea result.
ringconn.comCompare
| Ring | FDA cleared | Subscription | Phone | Price |
|---|---|---|---|---|
| Oura Ring 5 | None | $5.99 a month | iPhone or Android | from $399 |
| Happy Ring | Home sleep test for apnea. Cuffless blood pressure | By prescription | Ask your doctor | Through your doctor |
| Samsung Galaxy Ring | Sleep apnea feature, awaiting release | None | Android | about $300 to $400 |
| RingConn Gen 3 | None | None | iPhone or Android | about $349 |
| Ultrahuman Ring Pro | None | None | iPhone or Android | about $479 |
Know before you buy
Sleep stages are estimates
Rings are good at telling sleep from wake. They are less accurate on sleep stages. One study in older adults found a ring missed about 75 minutes of sleep a night.
Snoring and pauses need a real test
If you snore or someone sees you stop breathing, ask for a sleep study. A wellness screen cannot rule out sleep apnea. See Sleeping well.
Blood pressure on rings
Since an FDA policy change in January 2026, rings can show blood pressure estimates without FDA review. Happy Ring is the exception, cleared in October 2026 and available by prescription.
Ultrahuman and Evie
The older Ultrahuman Ring Air cannot be sold in the US after a patent ruling. The Ring Pro can. The Evie ring is no longer sold.
Get the sizing kit
Ring sizes do not match jewelry sizes. Most makers send a free sizing kit.
Common questions
Is a ring better than a watch for sleep?
Many people find a ring easier to wear at night. Watches add heart rhythm features like an ECG that rings do not have.
Can a ring diagnose sleep apnea?
Happy Ring is cleared as a home sleep test. A doctor orders it and a sleep physician reviews the results. Samsung Galaxy Ring is cleared to flag signs of sleep apnea. Either way, sleep apnea is diagnosed by a doctor.
Do I need the subscription?
For Oura, most features need the membership. Samsung Galaxy Ring and RingConn have none. Happy Ring is ordered through your doctor.
More on wearables
My watch says I have AFibMy watch ECG says inconclusiveHow I choose the wearables I recommendFind the right wearableBest smartwatch for catching AFibBest home blood pressure monitorBest personal ECG without a smartwatchBest wearable for an older parentBest wearable for athletesBest wearable without a screenMore on sleep
Sleeping wellThis guide is general education for my patients. A wearable is not a diagnosis. Talk with your doctor about what your data means for you.
No affiliate links. I have not received payment from any company for these recommendations. See how I choose.
Sources: Oura Gen3 compared with polysomnography. Sleep Med. 2024. doi:10.1016/j.sleep.2024.01.020. Consumer sleep tracking in older adults. Sleep Adv. 2026. doi:10.1093/sleepadvances/zpag006. FDA 510(k) K242224, K254000, K261011. FDA General Wellness guidance, January 2026. Maker specifications as of October 2026.