SleepGearProsSleepGearPros

Updated May 2026

Best Sleep Trackers

Three non-ring sleep trackers ranked by accuracy, form factor, and true 3-year cost. A smart mattress cover that cools and tracks. An under-mattress sensor with no wearable. A budget wristband with no subscription.

Looking for smart rings? We moved all ring coverage to SmartRingCompare.com. Oura, Ultrahuman, RingConn, Samsung Galaxy Ring, and Evie live there now.

Quick Picks

#1

Eight Sleep Pod 4

Best Overall (Smart Mattress)

$2295

3yr: $2935

Buy at Eight Sleep
#2

Withings Sleep Analyzer

Best No-Wearable Option

$129

3yr: $129

Buy at Withings
#3

Garmin vivosmart 5

Best Budget Wearable

$149

3yr: $149

Check Price on Amazon

3-year cost = device price + subscription × 36 months. Affiliate disclosure.

The Cheapest Device Is Not Always the Cheapest Choice

Eight Sleep Pod 4

$2,295 + $640 (3yr sub)

$2,935 total

Withings Sleep

$129 + $0 (no sub)

$129 total

Garmin vivosmart 5

$149 + $0 (no sub)

$149 total

#1Best Overall (Smart Mattress)

Eight Sleep Pod 4

Eight Sleep · $2295 · 3-year total: $2935

4.6/5

Rating

Active water-cooled sleep surface with dual-zone temperature control. Tracks sleep stages, HRV, and heart rate from your mattress.

Pros

  • +Active cooling down to 55°F — genuine temperature control
  • +Dual-zone: each side sets independently
  • +Autopilot adjusts temperature during the night
  • +Sleep tracking without any wearable

Cons

  • −$17-25/month subscription required after trial
  • −Expensive — $2,295+ plus subscription
  • −Requires WiFi for most features

Specs

Form Factor
Mattress cover (fits any mattress)
Temperature Range
55°F–110°F per side
Zones
Dual (each side independent)
Tracking
Sleep stages, HRV, heart rate, HRV
Connectivity
WiFi
Subscription
$17-25/month (after trial)
Warranty
2 years

Verdict

Best smart mattress cover for hot sleepers and couples with different temperature preferences. Active cooling down to 55°F means your side of the bed feels cold even in August, so you fall asleep faster without melatonin, so both partners sleep through the night instead of fighting over the thermostat.

Buy at Eight Sleep
#2Best No-Wearable Option

Withings Sleep Analyzer

Withings · $129 · 3-year total: $129

4.3/5

Rating

Under-mattress sensor that tracks sleep stages, heart rate, and snoring — no wearable required. Integrates with Apple Health and Google Fit.

Pros

  • +No wearable — sensor goes under mattress
  • +Clinically validated snoring and sleep apnea screening
  • +No subscription — all features included
  • +Integrates with Apple Health, Google Fit, IFTTT

Cons

  • −Less accurate than ring-based sensors for HRV
  • −Under-mattress position can shift over time
  • −No SpO2 — cannot measure blood oxygen saturation

Specs

Form Factor
Under-mattress pad (2.5 × 25.6 in)
Sensors
Piezoelectric sensor, microphone (snoring)
Connectivity
WiFi
Subscription
None
Compatibility
iOS and Android, Apple Health, Google Fit
Power
Included adapter (plugs into wall)
Warranty
2 years

Verdict

Best sleep tracker for people who refuse to wear anything to bed. Snoring detection and sleep apnea screening are the standout features, so you find out whether the morning grogginess comes from poor sleep architecture or interrupted breathing, so you know whether to see a sleep specialist before paying $350 for a ring.

Buy at Withings
#3Best Budget Wearable

Garmin vivosmart 5

Garmin · $149 · 3-year total: $149

4.2/5

Rating

Slim fitness and sleep tracker with 7-day battery and Garmin's Body Battery score for recovery. No subscription.

Pros

  • +7-day battery life
  • +Body Battery recovery score — uniquely actionable
  • +No subscription required
  • +Pulse Ox (SpO2) overnight monitoring

Cons

  • −Sleep staging less accurate than Oura or newer Samsung
  • −No always-on display
  • −Smaller community and ecosystem than Fitbit/Apple

Specs

Form Factor
Slim wristband
Sensors
PPG, accelerometer, Pulse Ox
Battery Life
7 days
Display
0.70-inch touchscreen
Water Resistance
5 ATM
Compatibility
iOS and Android (Garmin Connect)
Subscription
None
Warranty
1 year

Verdict

Best budget sleep tracker for anyone who wants 7-day battery and SpO2 with no ongoing fees. Total 3-year cost is $149 versus $564 for Oura, so you get actionable recovery data without the subscription commitment, so the money saved goes toward better gear or one more month of training.

Check Price on Amazon

Looking for a Different Kind of Tracker?

Frequently Asked Questions

Why no smart rings in this list?

SleepGearPros focuses on sleep gear (beds, mattresses, under-mattress sensors, CPAP, white noise). We moved all smart-ring coverage to SmartRingCompare.com because rings are their own category with their own buying signals. If you want a smart ring for sleep tracking, check SmartRingCompare.com for current reviews of Oura, Ultrahuman, RingConn, Samsung Galaxy Ring, and Evie.

How accurate are consumer sleep trackers at detecting sleep stages?

Consumer sleep trackers estimate sleep stages from heart rate, HRV, and movement, not brainwaves (EEG), which is the clinical standard. Published studies on Eight Sleep, Withings, and Garmin show 70-80% agreement with polysomnography for wake detection and REM. Light and deep sleep staging is less reliable. For most users, the trends over time are more useful than individual nightly readings.

Is a smart mattress worth $2,295 vs a $129 under-mattress sensor?

The Eight Sleep Pod 4 does more than track. It actively cools or warms each side of the bed from 55°F to 110°F. If hot sleeping is what wakes you up, the Pod 4 is paying for cooling first and sleep data second. If you sleep cool already and just want sleep data, the Withings Sleep Analyzer at $129 delivers 80 percent of the tracking insight for 6 percent of the cost.

Can a sleep tracker detect sleep apnea?

Consumer sleep trackers can screen for potential sleep apnea but cannot diagnose it. The Withings Sleep Analyzer has clinically validated snoring detection and can flag irregular breathing patterns consistent with sleep apnea. The Eight Sleep Pod 4 tracks heart rate and HRV but does not flag apnea directly. None of these replace a clinical sleep study (polysomnography). If your tracker consistently shows poor sleep quality despite adequate hours, consult a sleep specialist.

Smart mattress vs under-mattress sensor vs wristband: which is most accurate?

Smart mattress sensors (Eight Sleep) sit directly under your body across the entire surface, so they capture more movement and breathing data than spot sensors. Under-mattress sensors (Withings) work the same way but only cover a strip under the chest. Wristband sensors (Garmin) capture heart rate and movement but miss breathing data. For pure data coverage: smart mattress > under-mattress > wristband. For comfort: smart mattress (you never feel it) wins over wristband.

Do these work with Apple Health and Google Fit?

Eight Sleep syncs sleep stages and HRV to Apple Health (iOS only as of May 2026). Withings Sleep Analyzer syncs to both Apple Health and Google Fit via the Health Mate app. Garmin vivosmart 5 syncs to both via Garmin Connect. All three preserve historical data in their own apps even if you switch ecosystems later.

Affiliate disclosure: sleepgearpros.com participates in Amazon Associates, Eight Sleep, and Withings affiliate programs. Links may earn commissions at no extra cost. Rankings are based on accuracy data, community feedback, and subscription cost analysis, not commission rates.