There’s also a choice between types of battery as rechargeable batteries are more convenient but don’t last as long, while some sleep trackers boast a six-month battery life due to the use of a traditional watch battery.
Nighttime SpO2 is usually lower than daytime SpO2 because your breathing rate is, on average, slower during sleep.Īnd, of course, you get all the fitness measurements (heart rate, cardio scores, and exercise modes), and smartwatch features (on-wrist phone calls, message notifications, and Alexa/Google voice assistants).
#Fitness tracker with heart rate and sleep monitor how to#
It measures the duration of sleep, and splits this into the three Sleep Stages: Light sleep, Deep sleep, and REM sleep.Īlongside Restoration (which measures your sleeping heart rate vs your daytime resting heart rate), it gives you a nightly Sleep Score out of 100, and detailed data on how to improve the quality of your sleep.Īs with the top-end Fitbit Sense, the Versa 3 also measures your SpO2 blood oxygen saturation. Like all Fitbits, it also is a great sleep tracker and boasts an auto-sleep mode that’ll automatically recognise when you’re asleep – no need to set it to a ‘sleep’ mode like with other trackers. Fitbit’s Versa 3 smartwatch is a fully fledged fitness tracker with built-in GPS and all the activity measurements you could desire.
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