Sleep Tracking Devices
Wearables & Sleep
Using rings, watches, or bedside devices to track sleep stages, heart rate, and breathing at night. Popular for helping spot sleep patterns and see how habits affect rest.
Devices & tests (16)
Apple Watch Series 11
Apple
Withings ScanWatch 2
Withings
Oura Ring 4
Oura
Samsung Galaxy Ring
Samsung
RingConn Gen 2
RingConn
Ultrahuman Ring Air
Ultrahuman
Amazfit Helio Ring
Amazfit
Circular Ring 2
Circular
Whoop 4.0
WHOOP
Withings Sleep Analyzer
Withings
Eight Sleep Pod 4
Eight Sleep
Dreem 3 (EEG Headband)
Dreem
Wellue O2Ring (Continuous)
Wellue
Masimo MightySat
Masimo
Muse S (Gen 2)
Muse
Frenz Brainband
Frenz
Biomarkers you can track with Sleep Tracking Devices (22)
Active Calories BurnedBlood Oxygen (SpO2)Daily StepsDeep Sleep (Slow-Wave Sleep)ECG RhythmEEG — Alpha Waves (8–12 Hz)EEG — Delta Waves (0.5–4 Hz)EEG — Theta Waves (4–8 Hz)Heart Rate Variability (HRV)Light SleepReadiness ScoreRecovery ScoreREM SleepRespiratory RateResting Heart RateSkin Temperature (Wrist/Finger)Sleep Apnea Events (AHI proxy)Sleep DurationSleep ScoreStrain / Training LoadStress Score (EDA/HRV-derived)VO2 Max