Sleep tech
Sleep trackers
Smart rings, bands and mats that track sleep, compared on sensors, subscriptions and price.
Almost everything here bundles a subscription, so read the recurring fee as part of the price rather than an extra. Rings and mats stay off your wrist, which suits anyone who cannot sleep in a watch, and the mat variety slides under the mattress so you wear nothing at all. Check what stops working if you cancel, because some devices lose most of their scores without an active membership.
What sleep trackers cost right now
We track 4 products here across 7 offers from 6 retailers. Every figure below comes from a price we opened and checked ourselves, between Aug 17, 2026 and Oct 13, 2026.
- Typical
- $274.48
- Most expensive
- $399
The middle of the 4 best prices on this page
Top of the range we currently track
Where stores disagree today
Same product, different shelf, different price. These are the gaps we found on the dates shown, and they are the whole reason to check before buying.
- RingConn Gen 3: $349 at Target against $428 at RingConn. $79 apart, checked Oct 11, 2026.
All 4 products we track, cheapest first
WHOOP 5.0
A screen-free wrist or bicep band that tracks sleep, recovery and strain; the hardware only comes bundled with a required membership that starts at $199 a year.
Withings Sleep
An under-mattress pad that tracks sleep stages, heart rate, and snoring without any wearable, plugged into an outlet by the bed.
RingConn Gen 3
A no-subscription smart ring that tracks sleep, heart rate, and SpO2 for about two weeks per charge.
Oura Ring 5
A titanium smart ring that tracks sleep stages, heart rate, temperature, and readiness, but requires a paid monthly membership to unlock most of its insights.
What actually differs
The specs that vary across the sleep trackers we track. Sorted cheapest first, so you can see what the extra money is buying rather than guessing.
| Product | Best price | Sensors | Battery life | Water resistance |
|---|---|---|---|---|
| WHOOP 5.0 | $199 | 3-axis accelerometer, 3-axis gyroscope, optical heart rate, SpO2, skin temperature; MG tier adds ECG/blood pressure hardware | 14+ days per charge | IP68 rated, swim-safe to 10 meters for up to about 2 hours |
| Withings Sleep | $199.95 | Pneumatic sensor (heart rate, respiratory rate, and body movement) plus a sound sensor (snoring detection) | — | — |
| RingConn Gen 3 | $349 | 24/7 heart rate (PPG), SpO2, HRV, skin temperature, respiratory rate, 3-axis accelerometer | Up to 14 days (11-14 days with vibration off, 10-12 days with vibration on) | 10 ATM / 100m (IP68 rated) |
| Oura Ring 5 | $399 | Red/infrared LEDs (blood oxygen), green/infrared LEDs (heart rate and HRV), digital skin temperature sensor, 24/7 accelerometer | 6-9 days per charge depending on ring size and usage; about 80 minutes to fully recharge | Waterproof to 100 meters, IP68 rated |