A validation study of Fitbit Charge 2™ compared with polysomnography in adults: Chronobiology International: Vol 35, No 4
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Frontiers | A Multi-Level Classification Approach for Sleep Stage Prediction With Processed Data Derived From Consumer Wearable Activity Trackers | Digital Health
![Recorded on a Charge 2. Analysis of sleep? Is it normal to be awake for 15 mins after my first sleep phase and awake for 27 mins before the rem cycle? : r/fitbit Recorded on a Charge 2. Analysis of sleep? Is it normal to be awake for 15 mins after my first sleep phase and awake for 27 mins before the rem cycle? : r/fitbit](https://i.redd.it/hljm389blgb21.jpg)
Recorded on a Charge 2. Analysis of sleep? Is it normal to be awake for 15 mins after my first sleep phase and awake for 27 mins before the rem cycle? : r/fitbit
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Amazon.com: Fitbit Charge 2 Heart Rate + Fitness Wristband, Teal, Small (US Version) : Sports & Outdoors
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