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How accurate is the Sense 2 to track sleep?

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‎09-20-2023 06:43 - last edited on ‎09-21-2023 07:47 by Fitbit Moderator

‎09-20-2023 06:43 - last edited on ‎09-21-2023 07:47 by Fitbit Moderator

I have used fitbit sensitive and its time is a lot different than normal. I thought normal was too much. How accurate does sensitive tend to be?


Moderator Edit: Clarified subject

10.0.0.0.1 192.168.1.254
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‎09-20-2023 07:10

‎09-20-2023 07:10

Hello @mark808 and welcome to the Community.  The normal/sensitive setting in only recommended for devices that don't have heart rate monitors and give sleep patterns.  Help article 

Laurie | Maryland
Sense 2, Luxe, Aria 2 | iOS | Mac OS

Take a look at the Fitbit help site for further assistance and information.

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‎09-20-2023 07:17

‎09-20-2023 07:17

Welcome to the forums @mark808.

Thank you for sharing the inquiry regarding Sense 2.

I'd invite you considering the information listed in this article.

Wear Sense 2 to bed to automatically track basic stats about your sleep, including your time asleep, sleep stages (time spent in REM, light sleep, and deep sleep), and sleep score (the quality of your sleep).

Sense 2 also tracks your estimated oxygen variation throughout the night to help you uncover potential breathing disturbances, as well as your skin temperature to see how it varies from your personal baseline and SpO2 levels, which estimate the amount of oxygen in your blood. 

To see your sleep stats, sync your watch when you wake up and check the Fitbit app, or swipe left or right from your clock face to find the Sleep tile. For more information see this help article.

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