Best Sleep Tracking

Withings ScanWatch - Hybrid Smartwatch with ECG, Heart Rate Sensor and Oximeter (Black, 38mm)

ELECTROCARDIOGRAM* — The watch and heart rate monitor watch detects atrial fibrillation or normal heart rhythm in just 30 seconds via ECG..
SLEEP TRACKING — Sleep tracker delivers a Score based on light and deep sleep cycles, sleep duration & wake-ups..
HEART RATE TRACKING — Track heart rate continuously during workouts to optimize training, and monitor daily and overnight heart rate to help improve health over time..
WRIST-BASED OXIMETRY — Provides on demand oxygen saturation level (SpO2) in just 30 seconds.
WATERPROOF watch - waterproof watch for swimming. Water resistance up to 50m..
24/7 ACTIVITY TRACKING — Dedicated workout metrics, Fitness Level via VO₂max estimation, connected GPS, elevation and step tracker. Great as a running watch..
DURABLE DESIGN — Combined heart rate and SpO2 sensor, 3 electrodes, an altimeter, a sapphire glass and a PMOLED screen featuring a rechargeable battery that lasts up to 30 days..
"30 DAY RECHARGEABLE BATTERY LIFE - Up to 30 days with normal use. +20 additional days in power reserve mode (time and activity tracking only). Charging Cable incl.".
HIGHLY COMPATIBLE - Smart watch with text and call. Connects effortlessly with Android &Apple iOS smartphones via free Healthmate App..

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Mio FUSE Heart Rate, Sleep + Activity Tracker

Get accurate wrist-based heart rate during exercise..
Track all day activity, including sleep, steps, calories, distance, pace & goal. Tracking sleep requires a simple software update..
Sync wirelessly via Bluetooth Smart (4.0) to popular fitness apps..
Works exclusively with Mio PAI app (Personal Activity Intelligence)..
Water resistant up to 30m (3 ATM / 100 ft.).
To add sleep tracking, easily update your firmware via Mio GO app..

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SAMSUNG Galaxy Watch 5 44mm LTE Smartwatch w/Body, Health, Fitness and Sleep Tracker, Improved Battery, Sapphire Crystal Glass, Enhanced GPS Tracking, US Version, Gray

...metabolic rate and Body Mass Index (BMI).
IMPROVED SENSOR ACCURACY: Stay up to date on your wellness.
Get an accurate heart rate thanks to an improved, curved Samsung BioActive Sensor that gets closer to your skin***.
AUTO WORKOUT TRACKING: Make the most of every adventure with Auto Workout Tracking — from running to rowing to swimming — automatically in just minutes, and manually tracking more than 90 exercises, including complex activities like HIIT****.

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Withings ScanWatch - Hybrid Smartwatch & Activity Tracker with Connected GPS, Heart Rate Monitor, Sleep Monitor, Smart Notifications, Water Resistant with 30-Day Battery Life, Android & iOS

ELECTROCARDIOGRAM* — The watch and heart rate monitor watch detects atrial fibrillation or normal heart rhythm in just 30 seconds via ECG..
SLEEP TRACKING — Sleep tracker delivers a Score based on light and deep sleep cycles, sleep duration & wake-ups..
HEART RATE TRACKING — Track heart rate continuously during workouts to optimize training, and monitor daily and overnight heart rate to help improve health over time..
WRIST-BASED OXIMETRY — Provides on demand oxygen saturation level (SpO2) in just 30 seconds.
WATERPROOF watch - waterproof watch for swimming. Water resistance up to 50m..
24/7 ACTIVITY TRACKING — Dedicated workout metrics, Fitness Level via VO₂max estimation, connected GPS, elevation and step tracker. Great as a running watch..
DURABLE DESIGN — Combined heart rate and SpO2 sensor, 3 electrodes, an altimeter, a sapphire glass and a PMOLED screen featuring a rechargeable battery that lasts up to 30 days..
"30 DAY RECHARGEABLE BATTERY LIFE - Up to 30 days with normal use. +20 additional days in power reserve mode (time and activity tracking only). Charging Cable incl.".
HIGHLY COMPATIBLE - Smart watch with text and call. Connects effortlessly with Android &Apple iOS smartphones via free Healthmate App..

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SAMSUNG Galaxy Watch 5 44mm Bluetooth Smartwatch w/ Body, Health, Fitness and Sleep Tracker, Improved Battery, Sapphire Crystal Glass, Enhanced GPS Tracking, US Version, Silver Bezel w/ White Band

... own schedule, you can now get readings on body fat, skeletal muscle, body water, basal metabolic rate and Body Mass Index (BMI).
IMPROVED SENSOR ACCURACY: Stay up to date on your wellness.
Get an accurate heart rate thanks to an improved, curved Samsung BioActive Sensor that gets closer to your skin***.
AUTO WORKOUT TRACKING: Make the most of every adventure with Auto Workout Tracking — from running to rowing to swimming — automatically in just minutes, and manually tracking more than 90 exercises, including complex activities like HIIT****.
IMPROVED BATTERY & GALAXY CONNECTED EXPERIENCE: Meet the watch that goes as long as you do.
Galaxy Watch5’s improved battery keeps up with your busiest day***** Do more with synced Galaxy devices that work in perfect harmony******.

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SAMSUNG Galaxy Watch 5 40mm Bluetooth Smartwatch w/ Body Health Fitness and Sleep Tracker Improved Battery Sapphire Crystal Glass Enhanced GPS Tracking US Version Silver Bezel w/ Purple Band

... own schedule, you can now get readings on body fat, skeletal muscle, body water, basal metabolic rate and Body Mass Index (BMI).
IMPROVED SENSOR ACCURACY: Stay up to date on your wellness.
Get an accurate heart rate thanks to an improved, curved Samsung BioActive Sensor that gets closer to your skin***.
AUTO WORKOUT TRACKING: Make the most of every adventure with Auto Workout Tracking — from running to rowing to swimming — automatically in just minutes, and manually tracking more than 90 exercises, including complex activities like HIIT****.
IMPROVED BATTERY & GALAXY CONNECTED EXPERIENCE: Meet the watch that goes as long as you do.
Galaxy Watch5’s improved battery keeps up with your busiest day***** Do more with synced Galaxy devices that work in perfect harmony******.

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Withings Scanwatch - Smart watch & Activity Tracker: Heart Monitor, Sleep Tracker, Smart Notifications, Step Counter, Waterproof with 30-Day Battery Life, Android & apple smart phone compatible, GPS

ELECTROCARDIOGRAM* — The watch and heart rate monitor watch detects atrial fibrillation or normal heart rhythm in just 30 seconds via ECG..
SLEEP TRACKING — Sleep tracker delivers a Score based on light and deep sleep cycles, sleep duration & wake-ups..
HEART RATE TRACKING — Track heart rate continuously during workouts to optimize training, and monitor daily and overnight heart rate to help improve health over time..
WRIST-BASED OXIMETRY — Provides on demand oxygen saturation level (SpO2) in just 30 seconds.
WATERPROOF watch - waterproof watch for swimming. Water resistance up to 50m..
24/7 ACTIVITY TRACKING — Dedicated workout metrics, Fitness Level via VO₂max estimation, connected GPS, elevation and step tracker. Great as a running watch..
DURABLE DESIGN — Combined heart rate and SpO2 sensor, 3 electrodes, an altimeter, a sapphire glass and a PMOLED screen featuring a rechargeable battery that lasts up to 30 days..
"30 DAY RECHARGEABLE BATTERY LIFE - Up to 30 days with normal use. +20 additional days in power reserve mode (time and activity tracking only). Charging Cable incl.".
HIGHLY COMPATIBLE - Smart watch with text and call. Connects effortlessly with Android &Apple iOS smartphones via free Healthmate App..

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Smart Watch for Women, Hafury IP68 Waterproof Fitness Tracker, Smartwatch for Android iPhone, Touch Screen Sport Watch, Heart Rate Sleep Monitor Pedometer

【Smart watch with 1.28 Inch Screen】Equipped with 1.28 inches TFT-LCD Full touch screen, the Fitness Watch and advanced health Smart Watch that helps you tune in to your body with tools for sleep tracking, sport record, menstrual health tracking, alarm, timer and so on..
【23 Sport Modes Fitness Watch】Fitness tracker and connected GPS: supports 23 sports such as walking, running, bicycle, hike, Yoga.... accurately record all day activities like steps, distance, calories burned, miles walked, active minutes. The Smart Watch connecting the GPS in your phone can track all your workout routes, distances, and physical status during exercise..
【Heart Rate 24h】Heart Rate measurement: this Watch heart rate monitoring allows to check your heart rate anytime, and better understand your heart rate trends. to help you get a better understanding of your health and and make reasonable adjustment on your lifestyle..
【 Intelligent Notification】Call and Message Notifications: when the watch connect the smart watch to the phone, never miss a call or message again. It will vibrate and notify you when your phone receives a call, sms text or sns notifications. You could even hang up incoming phone calls straight from your wrist. Compatible with most iOS 8.0 & ....

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Smart Watch for Men, Hafury IP68 Waterproof Fitness Tracker, Smartwatch for Android iPhone, Touch Screen Sport Watch, Heart Rate Sleep Monitor Pedometer

【Smart watch with 1.28 Inch Screen】Equipped with 1.28 inches TFT-LCD Full touch screen, the Fitness Watch and advanced health Smart Watch that helps you tune in to your body with tools for sleep tracking, sport record, menstrual health tracking, alarm, timer and so on..
【23 Sport Modes Fitness Watch】Fitness tracker and connected GPS: supports 23 sports such as walking, running, bicycle, hike, Yoga.... accurately record all day activities like steps, distance, calories burned, miles walked, active minutes. The Smart Watch connecting the GPS in your phone can track all your workout routes, distances, and physical status during exercise..
【Heart Rate 24h】Heart Rate measurement: this Watch heart rate monitoring allows to check your heart rate anytime, and better understand your heart rate trends. to help you get a better understanding of your health and and make reasonable adjustment on your lifestyle..
【 Intelligent Notification】Call and Message Notifications: when the watch connect the smart watch to the phone, never miss a call or message again. It will vibrate and notify you when your phone receives a call, sms text or sns notifications. You could even hang up incoming phone calls straight from your wrist. Compatible with most iOS 8.0 & ....

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