How Apple Watch, Fitbit, Garmin, Oura, and Whoop Compare on Measuring HRV
Those devices were an Apple Watch Series 10, a Fitbit Charge 6, a Garmin Forerunner 265S, an Oura Ring 4, and a Whoop 4.0.
Fitbit Sleep Lab leaked – new feature could give you personalized bedtime recommendations
Fitbit could be getting a new Sleep Lab feature that can give you personalized sleep schedule recommendations.